23308-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23308-55-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,0 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23308-55:
(7*2)+(6*3)+(5*3)+(4*0)+(3*8)+(2*5)+(1*5)=86
86 % 10 = 6
So 23308-55-6 is a valid CAS Registry Number.