931997-41-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 931997-41-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,1,9,9 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 931997-41:
(8*9)+(7*3)+(6*1)+(5*9)+(4*9)+(3*7)+(2*4)+(1*1)=210
210 % 10 = 0
So 931997-41-0 is a valid CAS Registry Number.