667912-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667912-00-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,1 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 667912-00:
(8*6)+(7*6)+(6*7)+(5*9)+(4*1)+(3*2)+(2*0)+(1*0)=187
187 % 10 = 7
So 667912-00-7 is a valid CAS Registry Number.