496961-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 496961-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,6,9,6 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 496961-74:
(8*4)+(7*9)+(6*6)+(5*9)+(4*6)+(3*1)+(2*7)+(1*4)=221
221 % 10 = 1
So 496961-74-1 is a valid CAS Registry Number.