T/CPCIF 0227-2022 Active Group standards

T/CPCIF 0227-2022 N-Boc-L-phenylalanine (for industrial use)

Publish Date: 2022-09-15 Implement Date: 2022-12-15 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/CPCIF 0227-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical industry

ICS Name: Lipids

Publish Date: 2022-09-15

Implement Date: 2022-12-15

Scope

Scope: This document specifies the requirements, test methods, inspection rules, marking, labels and accompanying documents, packaging, transportation, and storage of N-tert-butoxycarbonyl-L-phenylalanine for industrial use. This document applies to N-tert-butoxycarbonyl-L-phenylalanine prepared by amination reaction using tert-butyl dicarbonate and L-phenylalanine as the main raw materials. This product is mainly used in the synthesis of pharmaceutical intermediates. Main technical content: - Item Requirements: High-purity qualified products should have a white to off-white crystalline appearance. The mass fraction of N-tert-butoxycarbonyl-L-phenylalanine shall be determined by liquid chromatography (%). - Test Methods: - Titration method: The mass fraction of N-tert-butoxycarbonyl-L-phenylalanine shall be 99.0% to 101.5%. - Single impurity limit: The maximum single impurity shall not exceed 0.1%. - N-tert-butoxycarbonyl-D-phenylalanine mass fraction: The mass fraction of N-tert-butoxycarbonyl-D-phenylalanine shall not exceed 0.1%. - Melting point range/℃: 85–88°C. - Specific rotation: +24.0° to +27.0°. - Water content: Not more than 0.5%.