83656-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83656-92-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,5 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83656-92:
(7*8)+(6*3)+(5*6)+(4*5)+(3*6)+(2*9)+(1*2)=162
162 % 10 = 2
So 83656-92-2 is a valid CAS Registry Number.