1372800-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372800-34-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,8,0 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1372800-34:
(9*1)+(8*3)+(7*7)+(6*2)+(5*8)+(4*0)+(3*0)+(2*3)+(1*4)=144
144 % 10 = 4
So 1372800-34-4 is a valid CAS Registry Number.