1293288-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1293288-23-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,2,8 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1293288-23:
(9*1)+(8*2)+(7*9)+(6*3)+(5*2)+(4*8)+(3*8)+(2*2)+(1*3)=179
179 % 10 = 9
So 1293288-23-9 is a valid CAS Registry Number.