957311-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957311-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,3,1 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 957311-76:
(8*9)+(7*5)+(6*7)+(5*3)+(4*1)+(3*1)+(2*7)+(1*6)=191
191 % 10 = 1
So 957311-76-1 is a valid CAS Registry Number.