85640-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85640-94-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,4 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 85640-94:
(7*8)+(6*5)+(5*6)+(4*4)+(3*0)+(2*9)+(1*4)=154
154 % 10 = 4
So 85640-94-4 is a valid CAS Registry Number.