667435-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667435-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,4,3 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 667435-44:
(8*6)+(7*6)+(6*7)+(5*4)+(4*3)+(3*5)+(2*4)+(1*4)=191
191 % 10 = 1
So 667435-44-1 is a valid CAS Registry Number.