23788-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23788-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,8 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23788-26:
(7*2)+(6*3)+(5*7)+(4*8)+(3*8)+(2*2)+(1*6)=133
133 % 10 = 3
So 23788-26-3 is a valid CAS Registry Number.