93656-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93656-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,5 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93656-74:
(7*9)+(6*3)+(5*6)+(4*5)+(3*6)+(2*7)+(1*4)=167
167 % 10 = 7
So 93656-74-7 is a valid CAS Registry Number.