蛋白A

Name: 蛋白A
Brand: 济南圣和化工有限公司

CAS 521-18-6C19H30O2MW 290.4

蛋白A，CAS 登记号 521-18-6，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于医药中间体及原料药。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号521-18-6

分子式C19H30O2

分子量290.4

熔点181

LogP3.55

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

用途与场景

医药中间体及原料药

包装与供货

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

供货周期现货/按订单安排

文件与支持

每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。

常见问题

在哪里能查到蛋白A 的 CAS 号？

本页已列出蛋白A 的 CAS 号：521-18-6，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

蛋白A 一般用在什么产品里？

主要涉及医药中间体及原料药。

下单流程是怎样的？

来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。

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.

获取蛋白A 报价

供应商：济南圣和化工有限公司 · 一个工作日内回复。

邮件询价 WhatsApp

蛋白A