polymer PEG衍生物产品一般是指以聚合物的聚乙二醇为原料，通过各种化学键反应，使得聚合物PEG二边连上不同的活性基团，该类的产品的分子量都比较大，主要也取决于PEG的分子量的大学，比如说PEG分子量1000，那整体分子量就是1000多一点，如果PEG分子量是2000就是2000多一点，另外整体也看连接的基团，比如说PEG分子量是2000 ，他连接了DSPE这个基团，那整体分子量就是2800，如果连接了MAL或者NH2这样的基团，这题分子量就是2100多，该类产品的质量不能按纯度来衡量，因而PEG是聚合物，整个产品都是有一个分子量的分布的，所以该产品应该属于混合物，我们衡量其质量一般看2个指标一个是PDI值，一个是取代率纯度或者叫接枝率，PID值越小PEG的分布越窄，质量越好，取代率纯度或接枝率越高说明活性基团和PEG的链接率越高。该类产品没有固定的CAS号 因为是聚合物。
H2N-PEG2-COOH 791028-27-8
H2N-PEG3-COOH 784105-33-5
H2N-PEG4-COOH 663921-15-1
H2N-PEG6-COOH 905954-28-1
H2N-PEG8-COOH 756526-04-2
MAL-PEG2-COOH 756525-98-1
MAL-PEG3-COOH 518044-40-1
MAL-PEG4-COOH 518044-41-2
MAL-PEG5-COOH 1286755-26-7
MAL-PEG6-COOH 518044-42-3
MAL-PEG8-COOH 1818294-46-0
HS-PEG4-COOH749247-06-1
HS-PEG8-COOH866889-02-3
HS-PEG12-COOH 1032347-93-5
MAL-PEG2-NHS 1433997-01-3
MAL-PEG3-NHS 1537892-36-6
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
H2N-PEG7-OH 1425973-14-3
H2N-PEG😯H 352439-37-3
H2N-PEG12-OH 933789-97-0
N3-PEG2-NH2166388-57-4
N3-PEG3-NH2134179-38-7
N3-PEG4-NH2951671-92-4
N3-PEG5-NH2516493-93-9
N3-PEG6-NH2 957486-82-7
N3-PEG7-NH21333154-77-0
N3-PEG8-NH2857891-82-8
N3-PEG10-NH2912849-73-1
NH2-PEG10-NH2 928292-69-7
HOOC-PEG3-COOH31127-85-2
HOOC-PEG4-COOH439114-13-3
HOOC-PEG6-COOH94376-75-7
HO-PEG6-COOH 1347750-85-9
HO-PEG8-COOH 937188-60-8
NH2-PEG8-NH2822096-36-7
NH2-PEG3-NH2929-75-9
NH2-PEG4-NH268960-97-4
NH2-PEG5-NH272236-26-1
mPEG3-SH31521-83-2
mPEG4-SH52190-55-3
mPEG6-SH441771-60-4
mPEG8-SH651042-83-0
mPEG9-SH651042-84-1
mPEG10-SH 651042-85-2
mPEG3-COOH67319-28-2
mPEG4-COOH81836-43-3
mPEG6-COOH874208-91-0
mPEG7-COOH1093647-41-6
mPEG10-NH2 854601-60-8
mPEG12-NH2 869718-87-6
mPEG2-NH2 31576-51-9
mPEG3-NH2 74654-07-2
mPEG4-NH2 85030-56-4
mPEG6-NH2 5498-83-9
N3-PEG2-NHS29885-96-9
N3-PEG3-NHS1245718-89-1
N3-PEG4-NHS944251-24-5
N3-PEG5-NHS1433996-86-1
N3-PEG8-NHS1204834-00-3
N3-PEG12-NHS 1610796-02-5
N3-PEG2-OH 139115-90-5
N3-PEG3-OH 86520-52-7
N3-PEG4-OH 86770-67-4
N3-PEG5-OH 86770-68-5
N3-PEG6-OH 86770-69-6
N3-PEG2-COOH 1312309-63-9
N3-PEG3-COOH 172531-37-2
N3-PEG4-COOH 1257063-35-6
N3-PEG5-COOH 1425973-16-5
N3-PEG6-COOH 361189-66-4
N3-PEG8-COOH1214319-92-2
N3-PEG10-COOH 1644163-57-4
N3-PEG12-COOH 1167575-20-3
Biotin-PEG2-NH2 138529-46-1
Biotin-PEG3-NH2 359860-27-8
Biotin-PEG4-NH2138529-46-1
Biotin-PEG5-NH2113072-75-6
Biotin-PEG6-NH2663171-32-2
Biotin-PEG7-NH2 1334172-76-7
Biotin-PEG2-COOH 1365655-89-5
Biotin-PEG3-COOH 252881-76-8
Biotin-PEG4-COOH 721431-18-1
Biotin-PEG6-COOH 1352814-10-8
Biotin-PEG12-COOH1621423-14-0
Biotin-PEG3-NHS596820-83-6
Biotin-PEG3-NHS1253286-56-4
Biotin-PEG4-NHS459426-22-3
Biotin-PEG12-NHS 365441-71-0
Biotin-PEG3-N3 945633-30-7
Biotin-PEG4-N3 875770-34-6
Biotin-PEG5-N3 1163732-89-5
Biotin-PEG7-N3 1334172-75-6
Biotin-PEG2-MAL305372-39-8
Biotin-PEG3-MAL1431618-70-0
Biotin-PEG6-MAL 1808990-66-0
Biotin-PEG4-Alkyne 1458576-00-5
Fluorescein-PEG4-Acid 1807518-76-8
Fluorescein-PEG3-Amine 1807539-04-3
Fluorescein-PEG2-Azide 1146195-72-3
Fluorescein-PEG3-(N-Boc)-Amine 1807534-77-5
Fluorescein-PEG6-NHS ester1818294-35-7
TAMRA-PEG3-Azide1228100-59-1
TAMRA-PEG4-Alkyne1225057-68-0
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-Tos178685-33-1
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
Hydroxy-PEG6-Tos 155130-15-7
Propargyl-PEG5-Tos 875770-32-4
Azido-PEG2-Azide1379365-47-5
Azido-PEG3-azide101187-39-7
Azido-PEG4-Azide182760-73-2
Azido-PEG5-Azide356046-26-9
Bromo-PEG2-azide 530151-56-5
Bromo-PEG3-azide 940005-81-2
Bromo-PEG5-azide 1415800-37-1
Azido-PEG2-TFP ester 1807534-87-7
Azido-PEG3-TFP ester1807540-76-6
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-acid1537170-85-6
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
Propargyl-PEG4-acid 1415800-32-6
propargyl-PEG5-Acid 1245823-51-1
Propargyl-PEG2-amine944561-44-8
Propargyl-PEG3-amine932741-18-9
Propargyl-PEG4-amine1013921-36-2
Propargyl-PEG5-amine1589522-46-2
Propargyl-PEG6-amine1198080-04-4
Propargyl-PEG3-azide 932741-18-9
Propargyl-PEG4-Maleimide 1609651-90-2
Propargyl-PEG3-NHS ester 1428629-71-3
Propargyl-PEG4-NHS ester 1428629-70-2
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