1250871-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1250871-99-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,0,8,7 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1250871-99:
(9*1)+(8*2)+(7*5)+(6*0)+(5*8)+(4*7)+(3*1)+(2*9)+(1*9)=158
158 % 10 = 8
So 1250871-99-8 is a valid CAS Registry Number.
1250871-99-8Relevant articles and documents
PROCESS FOR PREPARATION OF ENDOTHELIAL RECEPTOR ANTAGONIST (BOSENTAN)
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, (2012/06/16)
The present invention relates to processes for the preparation of an endothelial receptor antagonist. The present invention particularly relates to synthesis of 4-tert-butyl-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-2-(2-pyrimidinyl)-4-pyrimidinyl]benzene sulfonamide (bosentan).
