656236-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 656236-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,2,3 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 656236-94:
(8*6)+(7*5)+(6*6)+(5*2)+(4*3)+(3*6)+(2*9)+(1*4)=181
181 % 10 = 1
So 656236-94-1 is a valid CAS Registry Number.