199531-36-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199531-36-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,3 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 199531-36:
(8*1)+(7*9)+(6*9)+(5*5)+(4*3)+(3*1)+(2*3)+(1*6)=177
177 % 10 = 7
So 199531-36-7 is a valid CAS Registry Number.