85657-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85657-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,5 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 85657-93:
(7*8)+(6*5)+(5*6)+(4*5)+(3*7)+(2*9)+(1*3)=178
178 % 10 = 8
So 85657-93-8 is a valid CAS Registry Number.