1372129-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372129-11-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,1,2 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1372129-11:
(9*1)+(8*3)+(7*7)+(6*2)+(5*1)+(4*2)+(3*9)+(2*1)+(1*1)=137
137 % 10 = 7
So 1372129-11-7 is a valid CAS Registry Number.