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Levetiracetam Impurity 31

Levetiracetam Impurity 31 Structure
Levetiracetam Impurity 31 structure
CAS No.
20496-01-9
Chemical Name:
Levetiracetam Impurity 31
Synonyms
4-chlorobutanoic anhydride;4-Chlorobutyric anhydride;Levetiracetam Impurity 31;4-chloro-n-butyric anhydride;Levetiracetam Impurity 20 (4-Chlorobutyric Anhydride);Butanoic acid, 4-chloro-, anhydride with 4-chlorobutanoic acid
CBNumber:
CB45540752
Molecular Formula:
C8H12Cl2O3
Molecular Weight:
227.08
MDL Number:
MOL File:
20496-01-9.mol
Last updated:2023-05-15 10:44:00
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Levetiracetam Impurity 31 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 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC C292955 4-Chlorobutyricanhydride 20496-01-9 1g $725 2021-12-16 Buy
TRC C292955 4-Chlorobutyricanhydride 20496-01-9 2.5g $1455 2021-12-16 Buy
Product number Packaging Price Buy
C292955 1g $725 Buy
C292955 2.5g $1455 Buy

Levetiracetam Impurity 31 Chemical Properties,Uses,Production

Uses

4-Chlorobutyric anhydride is used as a reagent in the synthesis of hypotensive (±)-oudenone.

Levetiracetam Impurity 31 Preparation Products And Raw materials

Raw materials

Preparation Products

Levetiracetam Impurity 31 Suppliers

Global( 20)Suppliers
Supplier Tel Email Country ProdList Advantage
Hangzhou MolCore BioPharmatech Co.,Ltd. 		+86-057181025280; +8617767106207 sales@molcore.com China 49738 58
Standardpharm Co., Ltd. 		+8615391658522 overseasales@yongstandards.com China 11927 58
HangYu Chemical Co.,Ltd 		+86-0533-2185556 +8618560943802 Mandy@hangyuchemical.com China 10894 58
ChemStrong Scientific Co.,Ltd 0755-66853366 15920483169 sales@chem-strong.com China 17949 56
Guangzhou Dreampharm Biotechnology Co., Ltd. 17825480238 3008233717@qq.com China 9892 12
Jinan blalong chemical co. LTD 2710913286@qq.com 1513643261@qq.com China 14253 58
Shenzhen ruikai de biotechnology co., ltd. 0755-61348847 17820674378 2682116078@qq.com China 7844 58
Nanjing bojida Pharmaceutical Technology Co., Ltd 18762407961 704079339@qq.com China 497 58
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD 0755-0755-0755-83725350 13380397412 3001280422@qq.com China 9982 58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd 0714-5316360 13165688766 123456789@qq.com China 5000 58
Supplier Advantage
Hangzhou MolCore BioPharmatech Co.,Ltd. 		58
Standardpharm Co., Ltd. 		58
HangYu Chemical Co.,Ltd 		58
ChemStrong Scientific Co.,Ltd 56
Guangzhou Dreampharm Biotechnology Co., Ltd. 12
Jinan blalong chemical co. LTD 58
Shenzhen ruikai de biotechnology co., ltd. 58
Nanjing bojida Pharmaceutical Technology Co., Ltd 58
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD 58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd 58

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LEVETIRACETAM-D6 (S)-N-(1-aMino-1-oxobutan-2-yl)-4-chlorobutanaMide (2S)-4,4,4-trideuterio-2-(2-oxopyrrolidin-1-yl)butanamide alpha-Ethyl-2-oxo-1-pyrrolidineacetic acid ethyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate
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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 20496-01-9