331749-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331749-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,7,4 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 331749-88:
(8*3)+(7*3)+(6*1)+(5*7)+(4*4)+(3*9)+(2*8)+(1*8)=153
153 % 10 = 3
So 331749-88-3 is a valid CAS Registry Number.