| Company Name: |
TOSUN PHARM
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020-61855200 13326451905 |
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260366801@qq.com |
| Products Intro: |
Product Name:Imipenem Impurity 19
CAS:74288-39-4
Purity:98%以上 Package:10mg;50mg;100mg等多种规格 Remarks:REF-I23022
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| Company Name: |
Energy Chemical
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021-58432009 400-005-6266 |
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marketing@energy-chemical.com |
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Product Name:(2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoicAcid(4-Nitrophenyl)methylEster
CAS:74288-39-4
Purity:NULL Package:1000mg;100mg;250mg;500mg Remarks:NULL
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| Company Name: |
Hubei Kele Fine Chemical Co., Ltd
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027-59101668 19945030958 |
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2881924765@qq.com |
| Products Intro: |
Product Name:2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]-
CAS:74288-39-4
Purity:98% HPLC Package:1g;100g;1kg
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| Company Name: |
Henan Vcommend Consultrading Co., Ltd.
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| Tel: |
13393721940 |
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sales@vcommend.com |
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Product Name:Imipenem Impurity 14
CAS:74288-39-4
Purity:95.0% Package:10mg;20mg;50mg
|
| Company Name: |
TLC Pharmaceutical Standards Ltd.
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| Tel: |
18012923235; 18012923235 |
| Email: |
chinasales04@tlcstandards.com.cn |
| Products Intro: |
Product Name:Imipenem Impurity 19
CAS:74288-39-4
Purity:95%+ HPLC Package:10mg;25mg;50mg;100mg
|
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| | 2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]- Basic information |
| Product Name: | 2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]- | | Synonyms: | 2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]-;-Diazo-3-[(1R)-1-hydroxyethyl]-β(2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoic Acid (4-Nitrophenyl)methyl Ester;Imipenem Impurity 19 | | CAS: | 74288-39-4 | | MF: | C16H16N4O7 | | MW: | 376.33 | | EINECS: | | | Product Categories: | | | Mol File: | 74288-39-4.mol | ![2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]- Structure](CAS/20211123/GIF/74288-39-4.gif) |
| | 2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]- Chemical Properties |
| | 2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]- Usage And Synthesis |
| Uses | (2R,3S)-α-Diazo-3-[(1R)-1-hydroxyethyl]-β,4-dioxo-2-azetidinebutanoic Acid (4-Nitrophenyl)methyl Ester is a reagent used in the synthesis of panipenem intermediate p-nitrobenzyl-2-oxo-carbapenam-3-carboxylate. |
| | 2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)Methyl ester, [2R-[2a,3b(R*)]]- Preparation Products And Raw materials |
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