335665-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 335665-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,6,6 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 335665-34:
(8*3)+(7*3)+(6*5)+(5*6)+(4*6)+(3*5)+(2*3)+(1*4)=154
154 % 10 = 4
So 335665-34-4 is a valid CAS Registry Number.