1239773-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239773-74-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,7 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1239773-74:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*7)+(3*3)+(2*7)+(1*4)=190
190 % 10 = 0
So 1239773-74-0 is a valid CAS Registry Number.