807631-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 807631-62-5 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, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 807631-62:
(8*8)+(7*0)+(6*7)+(5*6)+(4*3)+(3*1)+(2*6)+(1*2)=165
165 % 10 = 5
So 807631-62-5 is a valid CAS Registry Number.