Biotin-PEG-MAL，S-Acetyl-PEG3-Azido，N3-PEG-OH

 供應(yīng)Biotin-PEG-MAL，S-Acetyl-PEG3-Azido，N3-PEG-OH修飾性PEG

供應(yīng)Biotin-PEG-MAL，S-Acetyl-PEG3-Azido，N3-PEG-OH修飾性PEG

西安凱新生物科技有限公司是國內(nèi)的PEG衍生試劑供應(yīng)商，我公司可以提供各種高分子PEG衍生物，分子量從1000-20000不等，涉及十幾個基團，同時我公司新推出了單分散的小分子量PEG/PEO衍生物，PEG/PEO的重復(fù)單元從2個-24個不等，產(chǎn)品純度高達98%以上。目前公司的PEG類產(chǎn)品 來源于十幾個和和國內(nèi)的PEG，我們跟國內(nèi)實驗室聯(lián)合開發(fā)各種高附加值的PEG產(chǎn)品，還可以提供特殊PEG產(chǎn)品的定制服務(wù)。

★我公司提供的單分散短鏈小分子PEG試劑有以下特點和優(yōu)勢：

1. Monodispersed PEGs鏈接各種不同基團，種類豐富，世界上zui齊全的PEG Linkers
2. Monodispersed PEGs修飾物產(chǎn)品價格便宜
3.產(chǎn)品質(zhì)量好，純度在95%以上
4. PEG個數(shù)從2個到20個不等 都可以提供
5.包裝靈活，有100mg包裝也有500mg  1克 和5克大包裝
6.售后服務(wù)好，可貨到付款，有任何質(zhì)量問題可以退換貨
7.接受各種復(fù)雜Monodispersed PEGs定制服務(wù)，合成的Monodispersed PEGs除了有更多樣的基團 還可以提供各種不同數(shù)量的PEG的產(chǎn)品

8.可以提供核磁圖譜及相關(guān)質(zhì)量證明圖譜

想了解更多小分子PEG產(chǎn)品 請公司。

我們還提供特殊PEG產(chǎn)品的定制服務(wù).

產(chǎn)品目錄                                   CAS號           結(jié)構(gòu)（R-PEG-R）

t-Boc-N-amido-PEG2-acid        1365655-91-9

t-Boc-N-amido-PEG3-acid        1347750-75-7

t-Boc-N-amido-PEG4-acid        756525-91-4

t-Boc-N-amido-PEG5-acid        1347750-78-0

t-Boc-N-amido-PEG6-acid        882847-13-4

t-Boc-N-amido-PEG8-acid        1334169-93-5    

t-Boc-N-amido-PEG12-acid       187848-68-6

t-Boc-N-amido-PEG2-Amine       153086-78-3

t-Boc-N-Amido-PEG3-Amine       101187-40-0

t-Boc-N-amido-PEG4-Amine       811442-84-9

t-boc-N-amido-PEG5-Amine       189209-27-6

t-Boc-N-amido-PEG6-Amine       1091627-77-8

t-boc-N-amido-PEG7-Amine       206265-98-7

t-Boc-N-amido-PEG9-Amine       890091-43-7

t-Boc-N-amido-PEG11-Amine      890091-42-6

t-Boc-N-Amido-PEG2-Azide       950683-55-3

t-Boc-N-Amido-PEG3-Azide       642091-68-7

t-Boc-N-Amido-PEG4-Azide       940951-99-5

t-boc-N-amido-PEG5-Azide       189209-27-6

S-acetyl-PEG3-alcohol          153870-20-3

S-acetyl-PEG4-alcohol          223611-42-5

S-acetyl-PEG6-alcohol          1352221-63-6

S-acetyl-PEG8 alcohol          1334177-81-9

S-acetyl-PEG3-t-butyl ester    1818294-27-7

S-acetyl-PEG4-t-butyl ester    1818294-26-6

S-acetyl-PEG6-t-butyl ester    1818294-39-1

S-Acetyl-PEG3-Azido            1310827-26-9

S-acetyl-PEG6-Tos              1818294-25-5

 其他產(chǎn)品目錄                 CAS號              結(jié)構(gòu)（R-PEG-R）      

Biotin-PEG2-NH2        138529-46-1        生物素聚乙二醇氨基

Biotin-PEG3-NH2        359860-27-8

Biotin-PEG4-NH2        138529-46-1

Biotin-PEG5-NH2        113072-75-6

Biotin-PEG6-NH2        663171-32-2

Biotin-PEG7-NH2        1334172-76-7

Biotin-PEG2-NHS        596820-83-6        生物素聚乙二醇琥珀酰亞胺

Biotin-PEG3-NHS        1253286-56-4

Biotin-PEG4-NHS        459426-22-3

Biotin-PEG12-NHS       365441-71-0

Biotin-PEG3-N3          945633-30-7

Biotin-PEG4-N3          875770-34-6       生物素聚乙二醇疊氮

Biotin-PEG5-N3          1163732-89-5

Biotin-PEG7-N3          1334172-75-6

Biotin-PEG2-MAL        305372-39-8       生物素聚乙二醇馬來酰亞胺

Biotin-PEG3-MAL        1431618-70-0

Biotin-PEG6-MAL        1808990-66-0

Biotin-PEG4-Alkyne       1458576-00-5        生物素聚乙二醇炔基

MAL-PEG2-NHS         1433997-01-3

MAL-PEG3-NHS         1537892-36-6     馬來酰亞胺聚乙二醇琥珀酰亞胺

MAL-PEG4-NHS         1325208-25-0

MAL-PEG5-NHS         1807537-42-3

MAL-PEG6-NHS         1599472-25-9

H2N-PEG3-OH                    86770-74-3

H2N-PEG5-OH                    34188-11-9

H2N-PEG6-OH                    39160-70-8       氨基聚乙二醇羥基

H2N-PEG7-OH                    1425973-14-3

H2N-PEG8-OH                    352439-37-3

H2N-PEG12-OH                933789-97-0

N3-PEG2-NH2           166388-57-4

N3-PEG3-NH2           134179-38-7       疊氮聚乙二醇氨基

N3-PEG4-NH2           951671-92-4

N3-PEG5-NH2           516493-93-9

N3-PEG6-NH2           957486-82-7

N3-PEG7-NH2           1333154-77-0                           

N3-PEG8-NH2           857891-82-8

N3-PEG10-NH2          912849-73-1

HOOC-PEG3-COOH      31127-85-2

HOOC-PEG4-COOH      439114-13-3       羧基聚乙二醇羧基

HOOC-PEG6-COOH      94376-75-7

HO-PEG6-COOH               1347750-85-9      羥基聚乙二醇羧基

HO-PEG8-COOH         937188-60-8

NH2-PEG10-NH2               928292-69-7       氨基聚乙二醇氨基

NH2-PEG8-NH2          822096-36-7              

NH2-PEG3-NH2          929-75-9

NH2-PEG4-NH2          68960-97-4

NH2-PEG5-NH2          72236-26-1

mPEG3-SH              31521-83-2

mPEG4-SH              52190-55-3       甲氧基聚乙二醇巰基

mPEG6-SH              441771-60-4

mPEG8-SH              651042-83-0

mPEG9-SH              651042-84-1  

mPEG10-SH             651042-85-2

mPEG3-COOH           67319-28-2

mPEG4-COOH           81836-43-3

mPEG6-COOH           874208-91-0      甲氧基聚乙二醇羧基

mPEG7-COOH           1093647-41-6

mPEG10-NH2            854601-60-8

mPEG12-NH2            869718-87-6

mPEG2-NH2             31576-51-9        甲氧基聚乙二醇氨基

mPEG3-NH2             74654-07-2                

mPEG4-NH2             85030-56-4

mPEG6-NH2             5498-83-9

N3-PEG2-NHS           29885-96-9

N3-PEG3-NHS           1245718-89-1      疊氮聚乙二醇琥珀酰亞胺

N3-PEG4-NHS           944251-24-5

N3-PEG5-NHS           1433996-86-1

N3-PEG8-NHS           1204834-00-3

N3-PEG12-NHS          1610796-02-5

N3-PEG2-OH            139115-90-5

N3-PEG3-OH            86520-52-7

N3-PEG4-OH            86770-67-4        疊氮聚乙二醇羥基

N3-PEG5-OH            86770-68-5

N3-PEG6-OH            86770-69-6

N3-PEG2-COOH         1312309-63-9

N3-PEG3-COOH         172531-37-2        疊氮聚乙二醇羧基

N3-PEG4-COOH         1257063-35-6

N3-PEG5-COOH         1425973-16-5

N3-PEG6-COOH         361189-66-4

N3-PEG8-COOH         1214319-92-2

N3-PEG10-COOH        1644163-57-4

N3-PEG12-COOH        1167575-20-3

Biotin-PEG2-NH2        138529-46-1        生物素聚乙二醇氨基

Biotin-PEG3-NH2        359860-27-8

Biotin-PEG4-NH2        138529-46-1

Biotin-PEG5-NH2        113072-75-6

Biotin-PEG6-NH2        663171-32-2

Biotin-PEG7-NH2        1334172-76-7

Biotin-PEG2-COOH      1365655-89-5       生物素聚乙二醇羧基

Biotin-PEG3-COOH      252881-76-8

Biotin-PEG4-COOH      721431-18-1

Biotin-PEG6-COOH      1352814-10-8

Biotin-PEG12-COOH     1621423-14-0

Biotin-PEG3-NHS        596820-83-6        生物素聚乙二醇琥珀酰亞胺

Biotin-PEG3-NHS        1253286-56-4

Biotin-PEG4-NHS        459426-22-3

Biotin-PEG12-NHS       365441-71-0

Biotin-PEG3-N3          945633-30-7

Biotin-PEG4-N3          875770-34-6       生物素聚乙二醇疊氮

Biotin-PEG5-N3          1163732-89-5

Biotin-PEG7-N3          1334172-75-6

Biotin-PEG2-MAL        305372-39-8       生物素聚乙二醇馬來酰亞胺

Biotin-PEG3-MAL        1431618-70-0

Biotin-PEG6-MAL        1808990-66-0

Biotin-PEG4-Alkyne       1458576-00-5        生物素聚乙二醇炔基

Fluorescein-PEG4-Acid       1807518-76-8       熒光素基聚乙二醇羧基

Fluorescein-PEG3-Amine     1807539-04-3       熒光素基聚乙二醇氨基

Fluorescein-PEG2-Azide       1146195-72-3      熒光素基聚乙二醇疊氮基

Fluorescein-PEG3-(N-Boc)-Amine   1807534-77-5  熒光素基聚乙二醇-(N-Boc)-氨基

Fluorescein-PEG6-NHS ester    1818294-35-7     熒光素基聚乙二醇琥珀酰亞胺酯

TAMRA-PEG3-Azide          1228100-59-1    

TAMRA-PEG4-Alkyne         1225057-68-0

Mal-PEG2-PFP       1807512-47-5

Mal-PEG3-PFP        1807534-78-6    

Mal-PEG4-PFP           1415800-42-8

Mal-PEG5-PFP         1807512-46-4

Mal-PEG6-PFP         1599486-33-5

Azide-PEG3-Tos           178685-33-1      疊氮基聚乙二醇-Tos(對甲苯磺?；?/span>)

Azide-PEG4-Tos          236754-49-7

Azide-PEG5-Tos        236754-49-7

Hydroxy-PEG3-Tos         77544-68-4

Hydroxy-PEG4-Tos        77544-68-4

Hydroxy-PEG5-Tos         77544-60-6      羥基聚乙二醇-Tos

Hydroxy-PEG6-Tos         155130-15-7

Propargyl-PEG5-Tos         875770-32-4      丙炔基聚乙二醇-Tos

Azido-PEG2-Azide            1379365-47-5   

Azido-PEG3-azide            101187-39-7        疊氮基聚乙二醇疊氮基

Azido-PEG4-Azide            182760-73-2

Azido-PEG5-Azide            356046-26-9

Bromo-PEG2-azide          530151-56-5

Bromo-PEG3-azide          940005-81-2         溴聚乙二醇疊氮基

Bromo-PEG5-azide          1415800-37-1

Azido-PEG2-TFP ester          1807534-87-7

Azido-PEG3-TFP ester         1807540-76-6

Azido-PEG4-TFP ester          1807505-33-4

Azido-PEG5-TFP ester     1807505-31-2

Azido-PEG6-TFP ester         1818294-50-6

Azido-PEG8-TFP ester         1818294-49-3

Azido-PEG2-PFP ester          1393330-37-4    

Azido-PEG3-PFP ester     1807530-07-9

Azido-PEG4-PFP ester          1353012-00-6

Azido-PEG5-PFP ester          1818294-48-2

Azido-PEG6-PFP ester          1818294-47-1

DBCO-PEG4-acid                1537170-85-6

DBCO-amine                      1255942-06-3

DBCO-PEG4-amine       1255942-08-5

DBCO-PEG4-Biotin       1255942-07-4

DBCO-PEG4-Maleimide   1480516-75-3

DBCO-PEG4-NHS ester         1427004-19-0     

DBCO-PEG5-NHS ester          1378531-80-6

DNP-PEG2-acid                    1353011-89-8

DNP-PEG4-acid                    858126-76-8

DNP-PEG6-acid                    1817829-84-7

DNP-PEG4-NHS ester                858126-78-0

propargyl-PEG3-Acid               1347760-82-0            丙炔基聚乙二醇羧基

Propargyl-PEG4-acid               1415800-32-6

propargyl-PEG5-Acid               1245823-51-1

Propargyl-PEG2-amine           944561-44-8              丙炔基聚乙二醇氨基

Propargyl-PEG3-amine           932741-18-9

Propargyl-PEG4-amine           1013921-36-2

Propargyl-PEG5-amine           1589522-46-2

Propargyl-PEG6-amine          1198080-04-4

Propargyl-PEG3-azide                 932741-18-9              丙炔基聚乙二醇疊氮基

Propargyl-PEG4-Maleimide         1609651-90-2           丙炔基聚乙二醇馬來酰亞胺

Propargyl-PEG3-NHS ester           1428629-71-3

Propargyl-PEG4-NHS ester          1428629-70-2           丙炔基聚乙二醇琥珀酰亞胺酯

Propargyl-PEG5-NHS ester          1393330-40-9

Biotin-PEG2-Acid                   1365655-89-5

Biotin-PEG3-acid                   252881-76-8               生物素基聚乙二醇羧基

Biotin-PEG4-Acid                   721431-18-1

Biotin-PEG6-Acid                          1352814-10-8

Biotin-PEG12-Acid               1621423-14-0

Biotin-PEG3-alcohol                     1263044-40-1          生物素基聚乙二醇乙醇

Biotin-PEG4-alcohol                     1778736-18-7

Biotin-PEG6-alcohol                     906099-89-6

Biotin-PEG2-Amine             138529-46-1           生物素基聚乙二醇氨基

Biotin-PEG3-Amine             359860-27-8

Biotin-PEG4-Amine             663171-32-2

Biotin-PEG5-Amine             113072-75-6

Biotin-PEG2-Azide  

Biotin-PEG3-Azide                  945633-30-7           生物素基聚乙二醇疊氮

Biotin-PEG4-Azide                  875770-34-6

Biotin-PEG5-azide                   1163732-89-5

Biotin-PEG7-Azide                  1334172-75-6

Biotin-PEG3-hydrazide            1381861-94-4          生物素基聚乙二醇酰肼基

Bis-PEG2-acid                 19364-66-0

Bis-PEG3-acid                 96517-92-9

Bis-PEG4-acid                 31127-85-2

Bis-PEG5-acid                 439114-13-3

Bis-PEG7-acid                 94376-75-7

Bis-PEG9-acid                 1268488-70-5

Acid-PEG5-NHS ester                       1343476-41-4

Bis-PEG2-NHS Ester                          65869-63-8

Bis-PEG3-NHS Ester                          1314378-16-9

Bis-PEG4-NHS ester                          1314378-11-4

Bis-PEG5-NHS ester                          756526-03-1

Bis-PEG6-NHS ester                          1526718-98-8

Bis-PEG7-NHS ester                          1334170-02-3

TCO-PEG4-Acid                             1802913-21-8

TCO-PEG3-Maleimide                 1609659-01-9

TCO-NHS ester                             1191901-33-3

TCO-PEG4-NHS ester                  1613439-69-2

Hydroxy-PEG2-acid             1334286-77-9       羥基聚乙二醇羧基

Hydroxy-PEG3-acid             518044-49-0

Hydroxy-PEG4-acid             937188-59-5

Hydroxy-PEG6-acid             1347750-85-9

Hydroxy-PEG8-t-butyl ester            937188-60-8

Amino-PEG3-alcohol                    6338-55-2       

Amino-PEG4-alcohol                    86770-74-3

Amino-PEG5-alcohol                    34188-11-9          氨基聚乙二醇乙醇

Amino-PEG6-alcohol                    39160-70-8

Amino-PEG7-alcohol                    1425973-14-3

Amino-PEG8-alcohol                    352439-37-3

Amino-PEG12-alcohol             933789-97-0

Methyltetrazine-PEG4-Acid                   1802907-91-0

Methyltetrazine-PEG5-Alkyne                   1802907-97-6

Methyltetrazine-PEG4-Amine          1802908-05-9

Biotin-PEG4-Methyltetrazine                 1835759-81-3

Methyltetrazine-PEG4-Maleimide           1802908-02-6

Tetrazine-PEG5-NHS ester                    1682653-80-0

Methyltetrazine-PEG5-NHS Ester            1802907-92-1

Thiol-PEG2-acid                     1379649-73-6

Thiol-PEG3-acid                     1347750-82-6       硫醇聚乙二醇羧基

Thiol-PEG4-acid                     749247-06-1

Thiol-PEG6-acid                     1347750-77-9

Thiol-PEG8-acid                     866889-02-3

Thiol-PEG12-acid                        1032347-93-5

Thiol-PEG3-Alcohol          56282-36-1          硫醇聚乙二醇乙醇

Thiol-PEG4-Alcohol          90952-27-5

Bis-PEG3-thiol                      2781-02-4

Bis-PEG5-thiol                      89141-22-0

Lipoamido-PEG4-acid                             1314378-10-3

Lipoamido-PEG8-acid                             1334172-70-1

Lipoamido-PEG2-alcohol              1674386-82-3

Lipoamido-PEG3-alcohol              1342764-64-0

Lipoamido-PEG3-Azide                       890016-39-4

Lipoamide-PEG3-Mal                              1314378-19-2

Biotin-PEG3-Lipoamide                     1311963-67-3

SPDP-PEG3-acid                                  1334177-97-7

SPDP-PEG6-acid                                  1818294-33-5

SPDP-PEG6-NHS ester               1818294-32-4

Fmoc-N-amido-PEG2-acid                           872679-70-4

Fmoc-N-amido-PEG3-acid                           867062-95-1

Fmoc-N-amido-PEG4-acid                           557756-85-1

Fmoc-N-amido-PEG5-acid                           882847-32-7

Fmoc-N-amido-PEG6-acid                           882847-34-9

Fmoc-N-amido-PEG8-acid                           756526-02-0

Fmoc-N-amido-PEG9-acid                           1191064-81-9

Fmoc-N-amido-PEG12-Acid              756526-01-9

Fmoc-NH-PEG2-CH2COOH             166108-71-0

Fmoc-NH-PEG3-CH2COOH              139338-72-0

Fmoc-NH-PEG4-CH2CO2H                    437655-95-3

Fmoc-NH-PEG5-CH2COOH                             635287-26-2

Fmoc-NH-PEG8-CH2COOH                           868594-52-9

Fmoc-PEG4-NHS ester                              1314378-14-7

Fmoc-PEG6-NHS ester                              1818294-31-3

Fmoc-PEG8-NHS ester                              1334170-03-4

t-Boc-N-amido-PEG2-acid                                   1365655-91-9

t-Boc-N-amido-PEG3-acid                                   1347750-75-7

t-Boc-N-amido-PEG4-acid                                   756525-91-4

t-Boc-N-amido-PEG5-acid                                   1347750-78-0

t-Boc-N-amido-PEG6-acid                                   882847-13-4

t-Boc-N-amido-PEG8-acid                                   1334169-93-5        

t-Boc-N-amido-PEG12-acid                           187848-68-6

t-Boc-N-amido-PEG2-Amine                          153086-78-3

t-Boc-N-Amido-PEG3-Amine                     101187-40-0

t-Boc-N-amido-PEG4-Amine                     811442-84-9

t-boc-N-amido-PEG5-Amine                         189209-27-6

t-Boc-N-amido-PEG6-Amine                         1091627-77-8

t-boc-N-amido-PEG7-Amine                         206265-98-7

t-Boc-N-amido-PEG9-Amine                     890091-43-7

t-Boc-N-amido-PEG11-Amine                   890091-42-6

t-Boc-N-Amido-PEG2-Azide                          950683-55-3

t-Boc-N-Amido-PEG3-Azide                   642091-68-7

t-Boc-N-Amido-PEG4-Azide                          940951-99-5

t-boc-N-amido-PEG5-Azide                           189209-27-6

Thiol-PEG2-t-butyl ester                         1398044-50-2

Thiol-PEG3-t-butyl ester                         1446282-39-8

Thiol-PEG4-t-butyl ester                         564476-33-1

Thiol-PEG6-t-butyl ester                         1818294-40-4

Propargyl-PEG4-Thiol                           1314378-10-3

Lipoamido-PEG8-acid                           1334172-70-1

Lipoamido-PEG3-Azide                          890016-39-4

S-acetyl-PEG3-alcohol                           153870-20-3

S-acetyl-PEG4-alcohol                           223611-42-5

S-acetyl-PEG6-alcohol                           1352221-63-6

S-acetyl-PEG8 alcohol                           1334177-81-9

S-acetyl-PEG3-t-butyl ester                       1818294-27-7

S-acetyl-PEG4-t-butyl ester                       1818294-26-6

S-acetyl-PEG6-t-butyl ester                       1818294-39-1

S-Acetyl-PEG3-Azido                           1310827-26-9

S-acetyl-PEG6-Tos                                 1818294-25-5

Bromo-PEG2-phosphonic acid                    1446282-44-5     溴聚乙二醇磷酸

Bromo-PEG3-phosphonic acid                    1148026-99-6

Bromo-PEG5-phosphonic acid                    1446282-37-6

Bromo-PEG2-phosphonic acid ethyl ester                1226767-94-7      溴聚乙二醇磷酸酯

Bromo-PEG3-phosphonic acid ethyl ester           1148026-98-5

Bromo-PEG5-phosphonic acid ethyl ester           1446282-41-2

Bis-PEG2-PFP ester                             1314378-18-1

Bis-PEG3-PFP ester                                   1314378-13-6

Bis-PEG4-PFP ester                                   1314378-12-5

Bis-PEG5-PFP ester                                   1334177-78-4

Bis-PEG7-PFP ester                                   1334170-01-2

Bis-PEG9-PFP ester                                   1334170-00-1

Bis-PEG13-PFP ester                                  1383567-59-6

Hydroxy-PEG3-NHS                                  1807518-71-3

Hydroxy-PEG3-PFP ester                               1807537-40-1

PEG5-Tos                                            77544-60-6

PEG7-Tos                                            42749-28-0

Hydroxy-PEG2-sulfonic acid               112724-27-3  羥基聚乙二醇磺酸

Hydroxy-PEG3-sulfonic acid               173459-90-0

Hydroxy-PEG2-t-butyl ester               133803-81-3

Hydroxy-PEG3-t-butyl ester               186020-66-6

Hydroxy-PEG-4-t-butyl ester              518044-32-1

Hydroxy-PEG-5-t-butyl ester              850090-09-4

Hydroxy-PEG6-t-butyl ester               361189-64-2

Hydroxy-PEG8-t-butyl ester               1334177-84-2    

Hydroxy-PEG10-t-butyl ester              778596-26-2

Hydroxy-PEG12-t-butyl ester              892154-71-1

Hydroxy-PEG2-CH2CO2t-Bu             149299-82-1

Amino-PEG10-alcohol                   129449-09-8

Bromo-PEG6-alcohol                    136399-05-8     溴聚乙二醇乙醇

Bromo-PEG4 alcohol                    85141-94-2

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產(chǎn)品目錄                               CAS號              結(jié)構(gòu)（R-PEG-R）

Fmoc-N-amido-PEG2-acid        872679-70-4

Fmoc-N-amido-PEG3-acid        867062-95-1

Fmoc-N-amido-PEG4-acid        557756-85-1

Fmoc-N-amido-PEG5-acid        882847-32-7

Fmoc-N-amido-PEG6-acid        882847-34-9

Fmoc-N-amido-PEG8-acid        756526-02-0

Fmoc-N-amido-PEG9-acid       1191064-81-9

Fmoc-N-amido-PEG12-Acid      756526-01-9

Fmoc-NH-PEG2-CH2COOH         166108-71-0

Fmoc-NH-PEG3-CH2COOH         139338-72-0

Fmoc-NH-PEG4-CH2CO2H         437655-95-3

Fmoc-NH-PEG5-CH2COOH         635287-26-2

Fmoc-NH-PEG8-CH2COOH         868594-52-9

Fmoc-PEG4-NHS ester          1314378-14-7

Fmoc-PEG6-NHS ester          1818294-31-3

Fmoc-PEG8-NHS ester          1334170-03-4