西安凯新生物科技有限公司是国内的PEG衍生试剂供应商，我公司可以提供各种高分子PEG衍生物，分子量从1000-20000不等，涉及十几个基团，同时我公司新推出了单分散的小分子量PEG/PEO衍生物，PEG/PEO的重复单元从2个-24个不等，产品纯度高达98%以上。目前公司的PEG类产品 来源于十几个和自己实验室生产的国产品牌PEG，我们跟国内实验室联合开发各种高附加值的PEG产品，还可以提供特殊PEG产品的定制服务。

★我公司提供的单分散短链小分子PEG试剂有以下特点和优势：

1. Monodispersed PEGs链接各种不同基团，种类丰富，世界上zui齐全的PEG Linkers
2. Monodispersed PEGs修饰物产品价格便宜
3.产品质量好，纯度在95%以上
4. PEG个数从2个到20个不等 都可以提供
5.包装灵活，有100mg包装也有500mg  1克 和5克大包装
6.售后服务好，可货到付款，有任何质量问题可以退换货
7.接受各种复杂Monodispersed PEGs定制服务，合成的Monodispersed PEGs除了有更多样的基团 还可以提供各种不同数量的PEG的产品

8.可以提供核磁图谱及相关质量证明图谱

HS-PEG8-COOH             866889-02-3

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-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           957486-82-7

N3-PEG7-NH2           1333154-77-0

N3-PEG8-NH2           857891-82-8

N3-PEG10-NH2          912849-73-1

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

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  

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

mPEG7-COOH           1093647-41-6

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-NHS           29885-96-9

N3-PEG3-NHS           1245718-89-1

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

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-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                      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

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

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

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-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

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

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-Azide                      1379365-47-5

Azido-PEG3-azide                      101187-39-7

Azido-PEG4-Azide                      182760-73-2

Azido-PEG5-Azide                      356046-26-9

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 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

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               1428629-71-3

Propargyl-PEG4-NHS ester               1428629-70-2

Propargyl-PEG5-NHS ester          1393330-40-9

Biotin-PEG2-Acid                     1365655-89-5

Biotin-PEG3-acid                      252881-76-8

Biotin-PEG4-Acid                     721431-18-1

Biotin-PEG6-Acid                     1352814-10-8

Biotin-PEG12-Acid               1621423-14-0

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                  359860-27-8

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

DBCO-PEG4-Biotin                  1255942-07-4

Biotin-PEG3-hydrazide            1381861-94-4

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                   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

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

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

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

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

Bromo-PEG3-phosphonic acid                    1148026-99-6

Bromo-PEG5-phosphonic acid                    1446282-37-6

Bromo-PEG2-phosphonic acid ethyl ester             1226767-94-7

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

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

Methyltetrazine-PEG4-Amine                           1802908-05-9

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

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

Bromo-PEG4 alcohol                                  85141-94-2

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西安凯新生物科技有限公司

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地址：中国（西安）莲湖区 兴中路3号