176976-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176976-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,9,7 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 176976-31:
(8*1)+(7*7)+(6*6)+(5*9)+(4*7)+(3*6)+(2*3)+(1*1)=191
191 % 10 = 1
So 176976-31-1 is a valid CAS Registry Number.