| Company Name: |
Nanjing Chemlin Chemical Co., Ltd
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| Tel: |
025-83697070 |
| Email: |
info@chemlin.com.cn |
| Products Intro: |
Product Name:4-chlorobutanoic anhydride
CAS:20496-01-9
Purity:98% Package:1mg;5mg;50mg;500mg;5g;50g
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| | Levetiracetam Impurity 31 Basic information |
| Product Name: | Levetiracetam Impurity 31 | | Synonyms: | Levetiracetam Impurity 31;4-Chlorobutyric anhydride;Levetiracetam Impurity 20 (4-Chlorobutyric Anhydride);Butanoic acid, 4-chloro-, anhydride with 4-chlorobutanoic acid;4-chloro-n-butyric anhydride;4-chlorobutanoic anhydride | | CAS: | 20496-01-9 | | MF: | C8H12Cl2O3 | | MW: | 227.08 | | EINECS: | | | Product Categories: | | | Mol File: | 20496-01-9.mol |  |
| | Levetiracetam Impurity 31 Chemical Properties |
| Boiling point | 106-109 °C(Press: 4-5 Torr) | | density | 1.234±0.06 g/cm3(Predicted) | | solubility | Chloroform (Slightly), Methanol (Slightly) | | form | Oil | | color | Colourless to Brown | | Stability: | Moisture Sensitive |
| | Levetiracetam Impurity 31 Usage And Synthesis |
| Uses | 4-Chlorobutyric anhydride is used as a reagent in the synthesis of hypotensive (±)-oudenone. |
| | Levetiracetam Impurity 31 Preparation Products And Raw materials |
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