1376616-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1376616-31-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,6,6,1 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1376616-31:
(9*1)+(8*3)+(7*7)+(6*6)+(5*6)+(4*1)+(3*6)+(2*3)+(1*1)=177
177 % 10 = 7
So 1376616-31-7 is a valid CAS Registry Number.