335591-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 335591-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,5,9 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 335591-63:
(8*3)+(7*3)+(6*5)+(5*5)+(4*9)+(3*1)+(2*6)+(1*3)=154
154 % 10 = 4
So 335591-63-4 is a valid CAS Registry Number.