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5982-99-0

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5982-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5982-99-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,8 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5982-99:
(6*5)+(5*9)+(4*8)+(3*2)+(2*9)+(1*9)=140
140 % 10 = 0
So 5982-99-0 is a valid CAS Registry Number.
InChI:InChI=1/C19H28O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h12,14-16H,3-11H2,1-2H3/t12?,14-,15-,16-,18-,19-/m0/s1

5982-99-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name androstanedione

1.2 Other means of identification

Product number -
Other names 5α-Androstandion-(3,17)

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5982-99-0 SDS

5982-99-0Relevant articles and documents

Method for synthesizing stanozolol intermediate androstane-17alpha-methyl-17beta-hydroxyl-3-ketone

-

, (2019/04/09)

The invention provides a method for synthesizing a stanozolol intermediate androstane-17alpha-methyl-17beta-hydroxyl-3-ketone. The method comprises the following steps: taking 4-androstenedione as a raw material, carrying out 3-site and 17-site keto-double-ketal, 5-site ethylenic bond catalytic hydrogenation and 3-site and 17-site double-ketal hydrolysis to prepare a compound 5alpha-androstane-3,17-diketone; then carrying out 3-site keto-double-etherification and 17-site Grignard addition, and finally carrying out hydrolysis to prepare the compound androstane-17alpha-methyl-17beta-hydroxyl-3-ketone, wherein the HPLC (High Performance Liquid Chromatography) purity of the compound is 99.0% or greater. The method provided by the invention is short in route, easy in production process control,environmentally-friendly, low in production cost and applicable to industrial large-scale production.

Highly efficient chemoselective deprotection of O,O-acetals and O,O-ketals catalyzed by molecular iodine in acetone

Sun, Jianwei,Dong, Yanmei,Cao, Liya,Wang, Xinyan,Wang, Shaozhong,Hu, Yuefei

, p. 8932 - 8934 (2007/10/03)

An extremely convenient method for deprotection of acetals and ketals catalyzed by molecular iodine (10 mol %) in acetone is reported. The protocol achieved the deprotection of acyclic or cyclic O,O-acetals and O,O-ketals in excellent yields within a few minutes under neutral conditions. The double bond, hydroxyl group, and acetate group remained unchanged, and the highly acid-sensitive furyl, tert-butyl ethers, and ketone-oxime stayed intact under these conditions.

CHEMOSELECTIVITY IN MOLYBDENUM CATALYZED ALCOHOL AND ALDEHYDE OXIDATIONS

Trost, Barry M.,Masuyama, Yoshiro

, p. 173 - 176 (2007/10/02)

Hydrogen peroxide in the presence of (NH4)6Mo7O24*4H2O and potassium carbonate is a chemoselective method to oxidize secondary alcohols to ketones and to oxidize aldehydes to acids, the latter also accelerated by cerium chloride.

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