120137-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120137-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,3 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 120137-74:
(8*1)+(7*2)+(6*0)+(5*1)+(4*3)+(3*7)+(2*7)+(1*4)=78
78 % 10 = 8
So 120137-74-8 is a valid CAS Registry Number.