807631-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 807631-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,7,6,3 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 807631-52:
(8*8)+(7*0)+(6*7)+(5*6)+(4*3)+(3*1)+(2*5)+(1*2)=163
163 % 10 = 3
So 807631-52-3 is a valid CAS Registry Number.