蛋白A

Name: 蛋白A
Brand: 济南圣和化工有限公司

CAS 521-18-6C19H30O2MW 290.4

济南圣和化工有限公司现供应医药中间体及原料药——蛋白A（CAS 521-18-6），分子式 C19H30O2，分子量 290.4。本页理化参数仅供参考，实际常规纯度按批次COA提供(不公开发布)，以批次 COA 及订单确认为准，支持批量采购与长期供货协议。

产品概览

CAS号	521-18-6
分子式	C19H30O2
分子量	290.4
熔点	181
LogP	3.55
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	医药中间体及原料药
类别	医药中间体及原料药

应用领域

医药中间体及原料药

该产品的下游应用集中在医药中间体及原料药。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

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：蛋白A 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

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除蛋白A 外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

蛋白A 的 CAS 号是多少？

蛋白A 的 CAS 号为 521-18-6。

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。

蛋白A 有什么用途？

主要应用于医药中间体及原料药。

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

Protein A · CAS 521-18-6 · C19H30O2. UNII 08J2K08A3Y. Melting Point: 181; Melting Point: 181 °C; LogP: 3.55.

Identification

CAS Registry Number	521-18-6
PubChem CID	10635
Molecular formula	C19H30O2
IUPAC name	(5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one
UNII (FDA)	08J2K08A3Y

Computed Descriptors

Molecular Weight	290.4
XLogP3	3.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	290.224580195
Monoisotopic Mass	290.224580195
Topological Polar Surface Area	37.3
Heavy Atom Count	21
Formal Charge	0

Physical & Chemical Properties

Melting Point	181
Melting Point	181 °C
LogP	3.55
Collision Cross Section	177.31 Å² [M+H]+

Physical description & handling notes

Solid

GHS Hazard Classification

Reported hazard statements	H351 (98.3%), H360 (95%)

H351 (98.3%): Suspected of causing cancer [Warning Carcinogenicity]

H360 (95%): May damage fertility or the unborn child [Danger Reproductive toxicity]

Documented Uses

Dihydrotestosterone is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation.
Stanolone (Class: Steroids, Added Date: 10-1998)
Schedule III - Substances in the DEA Schedule III have a potential for abuse less than substances in Schedules I or II and abuse may lead to moderate or low physical dependence or high psychological dependence.
Compounds that interact with ANDROGEN RECEPTORS in target tissues to bring about the effects similar to those of TESTOSTERONE. Depending on the target tissues, androgenic effects can be on SEX DIFFERENTIATION; male reproductive organs, SPERMATOGENESIS; secondary male SEX CHARACTERISTICS; LIBIDO; development of muscle mass, strength, and power.
A - Alimentary tract and metabolism
A14 - Anabolic agents for systemic use

Synonyms

STANOLONE; Androstanolone; dihydrotestosterone; 521-18-6; Anabolex; Andractim; Androlone; Neodrol; 4-Dihydrotestosterone; Anaboleen; Proteina; Stanaprol; Protona; 5alpha-Dihydrotestosterone; Cristerona MB; 17beta-Hydroxy-5alpha-androstan-3-one

Frequently Asked Questions

What are the CAS number and molecular formula of Protein A?

CAS 521-18-6; molecular formula C19H30O2; molecular weight — g/mol.

What other names is Protein A known by?

STANOLONE, Androstanolone, dihydrotestosterone, 521-18-6, Anabolex, Andractim.

Is Protein A classified as hazardous?

Hazard statements reported: H351, H360.

What are the key physical properties of Protein A?

Melting Point: 181; Melting Point: 181 °C; LogP: 3.55; Collision Cross Section: 177.31 Å² [M+H]+.

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.

蛋白A