667912-41-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667912-41-6 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, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 667912-41:
(8*6)+(7*6)+(6*7)+(5*9)+(4*1)+(3*2)+(2*4)+(1*1)=196
196 % 10 = 6
So 667912-41-6 is a valid CAS Registry Number.