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Protein A

CAS 521-18-6C19H30O2MW 290.4

Protein A (CAS No. 521-18-6) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Pharmaceutical Intermediates & APIs. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number521-18-6
Molecular FormulaC19H30O2
Molecular Weight290.4
Melting Point181
LogP3.55
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsPharmaceutical Intermediates & APIs
CategoryPharmaceutical Intermediates & APIs

Where it is used

Pharmaceutical Intermediates & APIs

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of Protein A?

The CAS number of Protein A is 521-18-6.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of Protein A?

Main applications include Pharmaceutical Intermediates & APIs.

How do I buy Protein A or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

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

Identification

CAS Registry Number521-18-6
PubChem CID10635
Molecular formulaC19H30O2
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 Weight290.4
XLogP33.7
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass290.224580195
Monoisotopic Mass290.224580195
Topological Polar Surface Area37.3
Heavy Atom Count21
Formal Charge0

Physical & Chemical Properties

Melting Point181
Melting Point181 °C
LogP3.55
Collision Cross Section177.31 Ų [M+H]+

Physical description & handling notes

  • Solid

GHS Hazard Classification

Reported hazard statementsH351 (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 Ų [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.

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Supplier: Jinan Shenghe Chemical Co., Ltd. · Reply within one business day.

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