371971-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 371971-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,1,9,7 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 371971-12:
(8*3)+(7*7)+(6*1)+(5*9)+(4*7)+(3*1)+(2*1)+(1*2)=159
159 % 10 = 9
So 371971-12-9 is a valid CAS Registry Number.