786628-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 786628-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,6,6,2 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 786628-31:
(8*7)+(7*8)+(6*6)+(5*6)+(4*2)+(3*8)+(2*3)+(1*1)=217
217 % 10 = 7
So 786628-31-7 is a valid CAS Registry Number.