23704-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23704-65-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,0 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23704-65:
(7*2)+(6*3)+(5*7)+(4*0)+(3*4)+(2*6)+(1*5)=96
96 % 10 = 6
So 23704-65-6 is a valid CAS Registry Number.