peg derivatives

支链聚乙二醇衍生物

支链聚乙二醇衍生物，即y-型聚乙二醇衍生物，是由两个直链的甲氧基聚乙二醇衍生物连接在中心核构成。y-型聚乙二醇衍生物立体结构庞大，可以弥补单链接聚乙二醇衍生物的不足。常规产品如下：

y-nhs-40k: y-shape peg nhs ester, mw 40000

y-cooh-40k: y-shape peg carboxyl, mw 40000

y-mal-40k: y-shape peg maleimide, mw 40000

y-aald-40k: y-shape peg acetaldehyde, mw 40000

y-pald-40k: y-shape peg propionaldehyde, mw 40000

y-nh2-40k: y-shape peg amine, mw 40000

y-fitc-40k: y-shape peg fluorescein, mw 40000

直链单官能团聚乙二醇衍生物

直链单官能团聚乙二醇衍生物一端有活性基团，另一端由甲氧基基团或糖基封端。常规产品如下：

gluc-nhs-35k: glucose peg nhs ester, mw 35000

gala-nhs-35k: glucose peg nhs ester, mw 35000

m-peg-scm: methoxy peg succinimidyl carboxymethyl ester, mw 2000, mw 3000, mw 5000, mw 10000, mw 20000, mw 30000, mw 35000, mw 40000

m-peg-cooh: methoxy peg carboxyl, mw 5000, mw 10000, mw 20000

m-peg-sba: methoxy peg succinimidyl butanoate, mw 20000

m-peg-sha: methoxy peg succinimidyl hexanoate, mw 5000, mw 20000

m-peg-ha: methoxy peg hexanoic acid, mw 5000, mw 20000

m-peg-ssa: methoxy peg succinimidyl succinamide, mw 5000, mw 20000

m-peg-sga: methoxy peg succinimidyl glutaramide, mw 5000, mw 20000

m-peg-sc: methoxy peg succinimidyl carbonate, mw 10000, mw 12000, mw 20000

m-peg-npc: methoxy peg nitrophenyl carbonate, mw 10000, mw 20000

m-peg-ss: methoxy peg succinimidyl succinate, mw 5000, mw 20000

m-peg-sg: methoxy peg succinimidyl glutarate, mw 5000, mw 20000

m-peg-mal: methoxy peg maleimide, mw 2000, mw 5000, mw 10000, mw 20000, mw 30000, mw 40000

m-peg-vs: methoxy peg vinylsulfone, mw 5000, mw 20000

m-peg-sh: methoxy peg thiol, mw 5000, mw 20000

m-peg-ald: methoxy peg propionaldehyde, mw 5000, mw 10000, mw 20000, mw 30000, mw 40000

m-peg-nh2: methoxy peg amine, hcl salt, mw 2000, mw 3000, mw 5000, mw 10000, mw 20000, mw 30000, mw 40000

m-peg-hz: methoxy peg hydrazide, mw 5000, mw 10000, mw 20000

m-peg-azide: methoxy peg azide, mw 5000, mw 20000

m-peg-biotin: methoxy peg biotin, mw 5000, mw 20000

m-peg-aclt: methoxy peg acrylate, mw 5000, mw 20000

m-peg-sln: methoxy peg silane, mw 5000, mw 20000

m-peg-dspe: methoxy peg dspe, mw 5000

m-glc-peg: custom synthesis

同官能团双取代聚乙二醇衍生物

键凯科技提供多种同官能团双取代聚乙二醇衍生物。常规产品如下：

cooh-peg-cooh: carboxyl peg carboxyl, mw 2000, mw 3500, mw 5000, mw 7500

scm-peg-scm: peg (succinimidyl carboxymethyl ester)2, mw 2000, mw 3500, mw 5000, mw 7500

nh2-peg-nh2: amine peg amine, hcl salt, mw 2000, mw 3500, mw 5000, mw 7500

mal-peg-mal: maleimide peg maleimide, mw 2000, mw 3500, mw 5000, mw 7500

aclt-peg-aclt: acrylate peg acrylate, mw 2000, mw 3500, mw 5000, and mw 7500

sh-peg-sh: thiol peg thiol, mw 3500, mw 5000

vs-peg-vs:  vinylsulfone peg vinylsulfone, mw 3500, mw 5000

异官能团双取代聚乙二醇衍生物

键凯科技提供多种异官能团双取代聚乙二醇衍生物。常规产品如下：

ho-peg-cooh: hydroxyl peg carboxyl, mw 1000, mw 2000, mw 3500, mw 5000, mw 7500, mw 10000, mw 20000

ho-peg-nhs: hydroxyl peg carboxyl, mw 2000, mw 3500, mw 5000, mw 7500

hs-peg-cooh: thiol peg carboxyl, mw 2000, mw 3500, mw 5000, mw 7500

hs-peg-sga: thiol peg succinimidyl glutaramide, mw 3500. mw 5000

ho-peg-nh2: hydroxyl peg amine, hcl salt, mw 1000, mw 2000, mw 3500, mw 5000, mw 7500, mw 10000, mw 20000

hs-peg-nh2: thiol peg amine, tfa salt, mw 2000, mw 3500, mw 5000, mw 7500

nh2-peg-cooh: amine peg carboxyl, hcl salt, mw 1000, mw 2000, mw 3500, mw 5000, mw 7500, mw 10000, mw 20000

tboc-peg-oh: t-boc amine peg hydroxyl, mw 2000, mw 3500, mw 5000, mw 7500

fmoc-peg-oh: fmoc amine peg hydroxyl, mw 2000, mw 3500, mw 5000, mw 7500

tboc-peg-nh2: t-boc amine peg amine, hcl salt, mw 2000, mw 3500, mw 5000, mw 7500

fmoc-peg-nh2: fmoc amine peg amine, tfa salt, mw 2000, mw 3500, mw 5000, mw 7500

tboc-peg-cooh: t-boc amine peg carboxyl, mw 2000, mw 3500, mw 5000, mw 7500

fmoc-peg-cooh: fmoc amine peg carboxyl, mw 2000, mw 3500, mw 5000, mw 7500

tboc-peg-nhs: t-boc amine peg nhs ester, mw 2000, mw 3500, mw 5000, mw 7500

fmoc-peg-nhs: fmoc amine peg nhs ester, mw 2000, mw 3500, mw 5000, mw 7500

aclt-peg-nhs: acrylate peg nhs ester, mw 2000, mw 3500, mw 5000, mw 7500

mal-peg-oh: maleimide peg hydroxyl, mw 2000, mw 3500, mw 5000, mw 7500

mal-peg-nh2: maleimide peg amine, tfa salt, mw 2000, mw 3500, mw 5000, mw 7500

mal-peg-cooh: maleimide peg carboxyl, mw 2000, mw 3500, mw 5000, mw 7500

mal-peg-nhs: maleimide peg nhs ester, mw 2000, mw 3500, mw 5000, mw 7500

biotin-peg-nhs: biotin peg nhs ester, mw 2000, mw 3500, mw 5000, mw 7500

biotin-peg-mal: biotin peg maleimide, mw 2000, mw 3500, mw 5000, mw 7500

opss-peg-nhs: opss peg nhs ester, mw 2000, mw 3500, mw 5000, mw 7500

azide-peg-nhs: azide peg nhs ester, mw 3500, mw 5000

azide-peg-nh2: azide peg amine, tfa salt, mw 3500, mw 5000

多臂聚乙二醇衍生物

键凯科技提供多种多臂聚乙二醇衍生物，常规产品如下：

core structure: pentaerythritol

4arm-peg-nh2: 4arm peg amine, hcl salt, mw 5000, mw 10000, mw 20000, mw 40000

4arm-peg-cooh: 4arm peg carboxyl, mw 10000, mw 20000, mw 40000

4arm-peg-scm: 4arm peg succinimidyl carboxymethyl ester, mw 10000, mw 20000, mw 40000

4arm-peg-mal: 4arm peg maleimide, mw 10000, mw 20000, mw 40000

4arm-peg-aclt: 4arm peg acrylate, mw 10000, mw 20000

4arm-peg-sh: 4arm peg thiol, mw 5000, mw 10000, mw 20000

4arm-peg-ss: 4arm peg succinimidyl succinate, mw 10000, mw 20000, mw 40000

4arm-peg-sg: 4arm peg succinimidyl glutarate, mw 10000, mw 20000, mw 40000

core structure: hexaglycerin

8arm-peg-nh2: 8arm peg amine, hcl salt, mw 10000, mw 20000, mw 40000

8arm-peg-cooh: 8arm peg carboxyl, mw 10000, mw 20000, mw 40000

8arm-peg-mal: 8arm peg maleimide (hexaglycerin), mw 10000, mw 20000, mw 40000

8arm-peg-aclt: 8arm peg acrylate (hexaglycerin), mw 10000, mw 20000

8arm-peg-sh, 8arm peg thiol (hexaglycerin), mw 10000, mw 20000

8arm-peg-ss: 8arm peg succinimidyl succinate, mw 10000, mw 15000, mw 20000, mw 40000

8arm-peg-sg: 8arm peg amine, mw 10000, mw 15000, mw 20000, mw 40000

core structure: tripentaerythritol

8arm(tp)-peg-nh2: 8arm peg amine (tripentaerythritol), hcl salt, mw 10000, mw 20000, mw 40000

8arm(tp)-peg-cooh: 8arm peg carboxyl(tripentaerythritol), mw 10000, mw 20000, mw 40000

8arm(tp)-peg-mal: 8arm peg maleimide(tripentaerythritol), mw 10000, mw 20000, mw 40000

8arm(tp)-peg-aclt: 8arm peg acrylate (tripentaerythritol), mw 10000, mw 20000

8arm(tp)-peg-vs: 8arm peg vinylsufone(tripentaerythritol), mw 10000, mw 20000

8arm(tp