203576-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203576-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,5,7 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 203576-41:
(8*2)+(7*0)+(6*3)+(5*5)+(4*7)+(3*6)+(2*4)+(1*1)=114
114 % 10 = 4
So 203576-41-4 is a valid CAS Registry Number.
203576-41-4Relevant academic research and scientific papers
Asymmetric conjugate addition reaction
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Page column 17, 18, 30, 31, (2010/01/30)
This invention relates to a key intermediate in the synthesis of an endothelin antagonist the synthesis of this key intermediate via an asymmetric conjugate addition reaction.
