666835-96-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 666835-96-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,8,3 and 5 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 666835-96:
(8*6)+(7*6)+(6*6)+(5*8)+(4*3)+(3*5)+(2*9)+(1*6)=217
217 % 10 = 7
So 666835-96-7 is a valid CAS Registry Number.