337931-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 337931-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,9,3 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 337931-92:
(8*3)+(7*3)+(6*7)+(5*9)+(4*3)+(3*1)+(2*9)+(1*2)=167
167 % 10 = 7
So 337931-92-7 is a valid CAS Registry Number.