665007-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 665007-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,5,0,0 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 665007-88:
(8*6)+(7*6)+(6*5)+(5*0)+(4*0)+(3*7)+(2*8)+(1*8)=165
165 % 10 = 5
So 665007-88-5 is a valid CAS Registry Number.