T/ZZB 2006-2020 Active Group standards

T/ZZB 2006-2020 Methylbromopyrazine。

Publish Date: 2020-12-23 Implement Date: 2020-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 2006-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Health, safety, and labor protection

ICS Name: Drugs

Publish Date: 2020-12-23

Implement Date: 2020-12-30

Scope

Main technical content: This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, labels, packaging, transportation, storage, and quality commitments for methyldopa. This document applies to methyldopa prepared from lupinone as the main starting material through processes such as cyanation, separation, hydrolysis, and refining. Chemical name: L-3- (3,4-dihydroxyphenyl) -2-methylproline hemisulfate Molecular formula: C10H13NO4·1?H2O Molecular weight: 238.24 (based on the 2018 International Relative Atomic Mass) CAS No.: 555-30-6 Structural formula: