1372911-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372911-81-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,9,1 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1372911-81:
(9*1)+(8*3)+(7*7)+(6*2)+(5*9)+(4*1)+(3*1)+(2*8)+(1*1)=163
163 % 10 = 3
So 1372911-81-3 is a valid CAS Registry Number.