1290233-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1290233-88-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,0,2,3 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1290233-88:
(9*1)+(8*2)+(7*9)+(6*0)+(5*2)+(4*3)+(3*3)+(2*8)+(1*8)=143
143 % 10 = 3
So 1290233-88-3 is a valid CAS Registry Number.