664992-36-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 664992-36-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,9,9 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 664992-36:
(8*6)+(7*6)+(6*4)+(5*9)+(4*9)+(3*2)+(2*3)+(1*6)=213
213 % 10 = 3
So 664992-36-3 is a valid CAS Registry Number.