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西安凯新生物科技有限公司>技术文章>Monodisperse PEG和polymer PEG区别

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Monodisperse PEG和polymer PEG区别

阅读:444          发布时间:2018-3-4

Monodisperse PEG和polymer PEG区别

Monodisperse PEG的产品一般是由2个、3个、4个PEG重复单元组成的一种小分子单分散的纯的PEG试剂,这类产品的整体分子量较小,他们的分子量的大小跟PEG的重复个数有关,个数越多分子量越大,由于此产品是重复单元的PEG属于小分子单体,可以用纯度来标明其质量的好坏,西安凯新生物生产的这种产品整体纯度一般是95%+以上。该类小分子聚合物的重复单元一般从1个到24个之间不等,PEG二边也常常存在的不同的基团,比如说羧基COOH,NH2氨基,N3叠氮,巯基SH等不同基团。当然由于该类产品是纯的小分子,大部分产品都对应的有自己的CAS号。

供应商:西安凯新生物科技有限公司

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结构式说明:
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。

结构式说明:
另外还有一种polymer PEG产品是由二种或者2种以上的聚合物链接而成的,我们常常叫嵌段共聚物,A聚合物、B聚合物、C聚合物,我们常见的形式有A-B-A,B-A-B, A-B-C,A-B-C-A

等等,这类产品我们常用的聚合物一般有PEG、PLGA、PLA、PCL、PEI、PLL等等不同产品,往往可以在不同聚合物末端带有不同的活性基团比如说MAL/NHS/COOH等等。

结构式说明:

Monodisperse PEG小分子PEG产品COA及产品介绍:

Certificate of Analysis

General properties:

Name: Maleimide-PEG4-NHS

Molecular Weight: 513.50 Dalton

Cat.#: R-1355

Lot.#: SM04150417

Manufacture Date: 2015.04.26

Date of Analysis: 2015.04.27

Remended Retest date: 2016.04.26

Stability: 12 months

Storage: -20°C in the dark


Structure

ItemsSpecificationResultsAppearanceColorless or Light Yellowish Viscous LiquidColorless Viscous LiquidTLC AnalysisSingle SpotSingle Spot1H NMRIdentical to the StructureIdentical to the StructureMass Spectrum(M+H+)514514Purity>97%99.00%

This product is for research use only, Not for human or animal use

polymer PEG高分子PEG衍生物COA及详细产品信息:

Certificate of Analysis

General properties:

Name: MAL-PEG2000-COOH

Molecular Weight: 2000 Dalton

Cat.#:R-1080

Lot.#:1554151

Manufacture Date: 2015.09.21

Date of Analysis: 2015.09.21

Remended Retest date: 2016.09.21

Stability: 12 months

Storage: -20°C in the dark



Structure

ItemsSpecificationResultsAppearanceOff-white / Light yellow solidLight yellow solid1H NMRIdentical to the StructureIdentical to the StructureForeign MaterialNoneNonePurity>90%90%Report Date: 2015.09.21

This product is for research use only, Not for human or animal use



嵌段共聚物的COA及产品详细介绍:

Certificate of Analysis

General properties:

Name:PLGA15000-PEG5000-MAL, PLGA:75/25

Molecular Weight:20150 Dalton

Cat.#: R-P-105015

Lot.#: RP201604011

Manufacture Date: 2016.04.11

Date of Analysis: 2016.04.11

Remended Retest date: 2017.04.11

Stability: 12 months

Storage: -20°C in the dark


Structure

ItemsSpecificationResultsAppearanceWhite/ Off-white solidWhite solid1H NMRIdentical to the StructureIdentical to the StructureForeign MaterialNoneNoneSubstitution>90%92%PDI<1.3Report Date: 2016.04.11

This product is for research use only, Not for human or animal use

 

PEG供应商:西安凯新生物科技有限公司

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Monodisperse PEG小分产品列表:

Amine-PEG2-Acid 791028-27-8

Amine-PEG3-Acid 784105-33-5

Amine-PEG4-Acid 663921-15-1

Amine-PEG6-Acid 905954-28-1

Amine-PEG8-Acid 756526-04-2

Thiol-PEG4-Acid 749247-06-1

Thiol-PEG5-Acid

Thiol-PEG8-Acid 6889-02-3

Thiol-PEG12-Acid 1032347-93-5

MAL-PEG2-Acid 756525-98-1

MAL-PEG3-Acid 518044-40-1

MAL-PEG4-Acid 518044-41-2

MAL-PEG5-Acid 12755-26-7

MAL-PEG6-Acid 518044-42-3

MAL-PEG8-Acid 1818294-46-0

Azido-PEG2-Azide 1379365-47-5

Azido-PEG3-azide 101187-39-7

Azido-PEG4-Azide 182760-73-2

Azido-PEG5-Azide 356046-26-9

Biotin-PEG2-Acid 5655-89-5

Biotin-PEG3-acid 252881-76-8

Biotin-PEG4-Acid 721431-18-1

Biotin-PEG6-Acid 1352814-10-8

Biotin-PEG12-Acid 1621423-14-0

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

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 8594-52-9

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 5655-91-9

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 1530-78-3

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

mPEG2-NH2 31576-51-9

mPEG3-NH2 74654-07-2

mPEG4-NH2 85030-56-4

mPEG6-NH2 5498-83-9

mPEG8-NH2 184357-46-8 170572-38-0 211859-73-3

mPEG9-NH2

mPEG10-NH2 854601-60-8

mPEG12-NH2 9718-87-6

mPEG3-COOH 67319-28-2

mPEG4-COOH 81836-43-3

mPEG5-COOH

mPEG6-COOH 874208-91-0

mPEG7-COOH 1093647-41-6

mPEG3-SH 31521-83-2

mPEG4-SH 52190-55-3 524030-00-0

mPEG6-SH 441771-60-4

mPEG8-SH 651042-83-0

mPEG9-SH 651042-84-1

mPEG10-SH 651042-85-2

SPDP-PEG3-acid 1334177-97-7

SPDP-PEG6-acid 1818294-33-5

Biotin-PEG3-alcohol 1263044-40-1

Biotin-PEG4-alcohol 1778736-18-7

Biotin-PEG6-alcohol 906099-89-6

Biotin-PEG4-Alkyne 1458576-00-5

Biotin-PEG2-Amine 138529-46-1

Biotin-PEG3-Amine 3590-27-8

Biotin-PEG4-Amine 663171-32-2

Biotin-PEG5-Amine 113072-75-6

Biotin-PEG2-Azide

Biotin-PEG3-Azide 945633-30-7

Biotin-PEG4-Azide 875770-34-6

Biotin-PEG5-azide 1163732-89-5

Biotin-PEG7-Azide 1334172-75-6

NH2-PEG3-NH2 929-75-9

NH2-PEG4-NH2 68960-97-4

NH2-PEG5-NH2 72236-26-1

NH2-PEG6-NH2

NH2-PEG7-NH2

NH2-PEG8-NH2 822096-36-7

NH2-PEG9-NH2

NH2-PEG10-NH2 928292-69-7

HOOC-PEG3-COOH 31127-85-2

HOOC-PEG4-COOH 439114-13-3

HOOC-PEG6-COOH 94376-75-7

HO-PEG6-COOH 1347750-85-9

HO-PEG8-COOH 937188-60-8

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 770-74-3

H2N-PEG4-OH

H2N-PEG5-OH 34188-11-9

H2N-PEG6-OH 39160-70-8

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

N3-PEG4-NH2 951671-92-4

N3-PEG5-NH2 516493-93-9

N3-PEG6-NH2 9574-82-7

N3-PEG7-NH2 1333154-77-0

N3-PEG8-NH2 857891-82-8

N3-PEG10-NH2 912849-73-1

N3-PEG2-NHS 29885-96-9

N3-PEG3-NHS 1245718-89-1

N3-PEG4-NHS 944251-24-5

N3-PEG5-NHS 1433996--1

N3-PEG8-NHS 1204834-00-3

N3-PEG12-NHS 1610796-02-5

N3-PEG2-OH 139115-90-5

N3-PEG3-OH 520-52-7

N3-PEG4-OH 770-67-4

N3-PEG5-OH 770-68-5

N3-PEG6-OH 770-69-6

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-COOH 1214319-92-2

N3-PEG10-COOH 1644163-57-4

N3-PEG12-COOH 1167575-20-3

Biotin-PEG2-NH2 138529-46-1

Biotin-PEG3-NH2 3590-27-8

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 5655-89-5

Biotin-PEG3-COOH 252881-76-8

Biotin-PEG4-COOH 721431-18-1

Biotin-PEG6-COOH 1352814-10-8

Biotin-PEG8-COOH

Biotin-PEG12-COOH 1621423-14-0

Biotin-PEG3-NHS 596820-83-6

Biotin-PEG3-NHS 12532-56-4

Biotin-PEG4-NHS 459426-22-3

Biotin-PEG6-NHS

Biotin-PEG8-NHS

Biotin-PEG12-NHS 365441-71-0

Biotin-PEG20-NHS

Biotin-PEG24-NHS

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-MAL 305372-39-8

Biotin-PEG3-MAL 1431618-70-0

Biotin-PEG6-MAL 1808990-66-0

Biotin-PEG4-Alkyne 1458576-00-5

Fluorescein-PEG4-Acid 1807518-76-8

Fluorescein-PEG6-Acid

Fluorescein-PEG3-Amine 1807539-04-3

Fluorescein-PEG2-Azide 1146195-72-3

Fluorescein-PEG3-(N-Boc)-Amine 1807534-77-5

Fluorescein-PEG6-NHS ester 1818294-35-7

TAMRA-PEG3-Azide 1228100-59-1

TAMRA-PEG4-Alkyne 1225057-68-0

TAMRA-Azide-PEG-Biotin

TAMRA-PEG4-DBCO

Pyrene -PEG4-acid

Pyrene -PEG2-azide

Cy5-PEG4-acid

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 15994-33-5

Azide-PEG3-Tos 1785-33-1

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-PEG4-Tos 875770-32-4

Propargyl-PEG5-Tos 875770-32-4

Azido-PEG3-Maleimide

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 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-PEG5-Acid

DBCO-PEG4-Alcohol

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-amine 944561-44-8

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

Propargyl-PEG4-Maleimide 1609651-90-2

Propargyl-PEG3-NHS ester 14229-71-3

Propargyl-PEG4-NHS ester 14229-70-2

Propargyl-PEG5-NHS ester 1393330-40-9

DBCO-PEG4-Biotin 1255942-07-4

Biotin-PEG3-hydrazide 13811-94-4

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 659-63-8

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 1813-21-8

TCO-PEG3-Maleimide 1609659-01-9

TCO-NHS ester 1191901-33-3

TCO-PEG4-NHS ester 1613439-69-2

Hydroxy-PEG2-acid 13342-77-9

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 770-74-3

Amino-PEG5-alcohol 34188-11-9

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 1807-91-0

Methyltetrazine-PEG5-Alkyne 1807-97-6

Methyltetrazine-PEG4-Amine 1808-05-9

Biotin-PEG4-Methyltetrazine 1835759-81-3

Methyltetrazine-PEG4-Maleimide 1808-02-6

Tetrazine-PEG5-NHS ester 1682653-80-0

Methyltetrazine-PEG5-NHS Ester 1807-92-1

Thiol-PEG2-acid 1379649-73-6

Thiol-PEG3-acid 1347750-82-6

Thiol-PEG4-acid 749247-06-1

Thiol-PEG6-acid 1347750-77-9

Thiol-PEG8-acid 6889-02-3

Thiol-PEG12-acid 1032347-93-5

Thiol-PEG3-Alcohol 56282-36-1

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 16743-82-3

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-PEG6-NHS ester 1818294-32-4

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

Fmoc-N-amido-PEG3-acid 7062-95-1

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

(+)-Biotin-PEG2-CH2CH2NH2 138529-46-1

(+)-Biotin-PEG3-CH2CH2NH2 3590-27-8

(+)-Biotin-PEG4-CH2CH2NH2 663171-32-2

(+)-Biotin-PEG6-CH2CH2NH2 N/A

(+)-Biotin-PEG11-CH2CH2NH2 N/A

(+)-Biotin-PEG2-CH2CH2COOH N/A

(+)-Biotin-PEG3-CH2CH2COOH 252881-76-8

(+)-Biotin-PEG4-CH2CH2COOH 721431-18-1

(+)-Biotin-PEG6-CH2CH2COOH N/A

(+)-Biotin-PEG12-CH2CH2COOH N/A

(+)-Biotin-PEG2-NHS Ester 596820-83-6

m-PEG2-Azide

m-PEG3-Azide

m-PEG4-Azide

m-PEG6-Azide

m-PEG7-Azide

m-PEG8-Azide

西安凯新生物科技有限公司经营产品种类包括:合成磷脂、高分子PEG衍生物、小分子聚乙二醇、USPIO超顺磁性氧化铁纳米颗粒、纳米金、纳米金棒、树枝状聚合物、荧光染料及交联剂、蛋白及糖类偶联产品、环糊精衍生物、大环配体、点击化学、嵌段聚合物等等产品。

供应商:西安凯新生物科技有限公司

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