1274122-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1274122-74-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,4,1,2 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1274122-74:
(9*1)+(8*2)+(7*7)+(6*4)+(5*1)+(4*2)+(3*2)+(2*7)+(1*4)=135
135 % 10 = 5
So 1274122-74-5 is a valid CAS Registry Number.