1376687-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1376687-76-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,6,6,8 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1376687-76:
(9*1)+(8*3)+(7*7)+(6*6)+(5*6)+(4*8)+(3*7)+(2*7)+(1*6)=221
221 % 10 = 1
So 1376687-76-1 is a valid CAS Registry Number.