23703-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23703-74-4 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 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23703-74:
(7*2)+(6*3)+(5*7)+(4*0)+(3*3)+(2*7)+(1*4)=94
94 % 10 = 4
So 23703-74-4 is a valid CAS Registry Number.