157799-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157799-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,9 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 157799-70:
(8*1)+(7*5)+(6*7)+(5*7)+(4*9)+(3*9)+(2*7)+(1*0)=197
197 % 10 = 7
So 157799-70-7 is a valid CAS Registry Number.
157799-70-7Relevant articles and documents
NEW THIENOPYRIMIDINE DERIVATIVES, A PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
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Page/Page column 133; 135; 148, (2015/07/15)
Compounds of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R12, X, A and n are as defined in the description.