1339121-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1339121-92-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,9,1,2 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1339121-92:
(9*1)+(8*3)+(7*3)+(6*9)+(5*1)+(4*2)+(3*1)+(2*9)+(1*2)=144
144 % 10 = 4
So 1339121-92-4 is a valid CAS Registry Number.