335653-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 335653-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,6,5 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 335653-61:
(8*3)+(7*3)+(6*5)+(5*6)+(4*5)+(3*3)+(2*6)+(1*1)=147
147 % 10 = 7
So 335653-61-7 is a valid CAS Registry Number.