L-半胱氨酸盐酸盐一水物

Name: L-半胱氨酸盐酸盐一水物
Brand: 济南圣和化工有限公司

CAS 52-89-1C3H8ClNO2SMW 157.62主营产品

本页收录 L-半胱氨酸盐酸盐一水物，CAS 登记号为 52-89-1，分子式 C3H8ClNO2S，分子量 157.62，归类于主营产品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	52-89-1
分子式	C3H8ClNO2S
分子量	157.62
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	增味剂
类别	主营产品\|增味剂

应用领域

增味剂

L-半胱氨酸盐酸盐一水物主要应用于增味剂。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供货能力：L-半胱氨酸盐酸盐一水物备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

选择济南圣和化工有限公司的理由：产品信息透明（含 CAS、分子式、理化参数）、报价响应快（一个工作日内）、单证齐全（COA/MSS/质检资料按需提供）、支持批量与长期协议供货。如需 L-半胱氨酸盐酸盐一水物以外的配套原料，也欢迎一并列出需求清单。

常见问题

L-半胱氨酸盐酸盐一水物的 CAS 号是多少？

L-半胱氨酸盐酸盐一水物的 CAS 号为 52-89-1。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

L-半胱氨酸盐酸盐一水物有什么用途？

主要应用于增味剂。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

L-Cysteine monohydrochloride is identified by CAS 52-89-1, molecular formula C3H8ClNO2S and molecular weight 157.00 g/mol. UNII A9U1687S1S; ChEBI 91247; InChIKey IFQSXNOEEPCSLW-DKWTVANSSA-N. European Pharmacopoeia monograph.

Identification

CAS Registry Number	52-89-1
PubChem CID	60960
Molecular formula	C3H8ClNO2S
Molecular weight	157.00 g/mol
IUPAC name	(2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
InChIKey	IFQSXNOEEPCSLW-DKWTVANSSA-N
UNII (FDA)	A9U1687S1S
ChEBI ID	CHEBI:91247
Pharmacopoeial monograph	European Pharmacopoeia monograph

Computed Descriptors

Molecular Weight	157.62
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	2
Exact Mass	156.9964274
Monoisotopic Mass	156.9964274
Topological Polar Surface Area	64.3
Heavy Atom Count	8
Formal Charge	0
Complexity	75.3

Physical description & handling notes

Dry Powder
Solid; [Sigma-Aldrich MSDS]
Hygroscopic solid; [Merck Index] White powder with an irritating odor; Hygroscopic; [Alfa Aesar MSDS]

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: DOUGH STRENGTHENER, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FLOUR TREATING Flavoring Agents DOUGH STRENGTHENER, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FLOUR TREATING AGENT, LEAVENING AGENT, NUTRI CIR / INCI: Cosmetic ingredients (Cysteine HCl) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Antioxidant; Reducing
GHS notification summary	8.7% (146 / 1677)

GHS Hazard Classification

GHS notification summary	8.7% (146 / 1677)
Reported hazard statements	H319 (89.8%), H302

This chemical does not meet GHS hazard criteria for 8.7% (146 of 1677) of reports.

H319 (89.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

Cysteine is a non-essential amino acid that has been used as a dough conditioner and veterinary detoxicant; [Merck Index]
Cosmetics -> Antioxidant; Reducing
Not Known or Reasonably Ascertainable
Information on 1 consumer products that contain Cysteine Hcl in the following categories is provided:
Food, beverage, and tobacco product manufacturing
All Other Chemical Product and Preparation Manufacturing

Synonyms

Cystein chloride; CYSTEINE HYDROCHLORIDE; Cysteine chlorhydrate; cysteine-hcl; 3-Mercaptoalanine hydrochloride; Cysteine hydrochloride (anhydrous); CCRIS 3613; Cysteine hydrochloride anhydrous; NSC 8746; EINECS 200-157-7; WR 348; UNII-A9U1687S1S; EK 2367; AI3-18781; A9U1687S1S; Cysteine (as hydrochloride)

Frequently Asked Questions

What are the CAS number and molecular formula of L-Cysteine monohydrochloride?

CAS 52-89-1; molecular formula C3H8ClNO2S; molecular weight 157.00 g/mol.

What other names is L-Cysteine monohydrochloride known by?

Cystein chloride, CYSTEINE HYDROCHLORIDE, Cysteine chlorhydrate, cysteine-hcl, 3-Mercaptoalanine hydrochloride, Cysteine hydrochloride (anhydrous).

What is the regulatory status of L-Cysteine monohydrochloride?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: DOUGH STRENGTHENER, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FLOUR TREATING; Flavoring Agents.

Is L-Cysteine monohydrochloride classified as hazardous?

8.7% of GHS notifications report no hazard classification (146 of 1677).

Does L-Cysteine monohydrochloride have a pharmacopoeial monograph?

Yes — a monograph exists in the European Pharmacopoeia (Ph. Eur.).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.