189383-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189383-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,8 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 189383-72:
(8*1)+(7*8)+(6*9)+(5*3)+(4*8)+(3*3)+(2*7)+(1*2)=190
190 % 10 = 0
So 189383-72-0 is a valid CAS Registry Number.
189383-72-0Relevant academic research and scientific papers
Synthesis of 17α-Substituted Mercaptoalkynyl Derivatives of 3,17β-Estradiol
Wuest, Frank,Spies, Hartmut,Johannsen, Bernd
, p. 2931 - 2932 (2007/10/03)
A homologous series of 17α-substituted mercaptoalkynyl estradiols have been prepared by addition of lithium acetylides to TBDMS-protected estrone.
