123647-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123647-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,6,4 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 123647-74:
(8*1)+(7*2)+(6*3)+(5*6)+(4*4)+(3*7)+(2*7)+(1*4)=125
125 % 10 = 5
So 123647-74-5 is a valid CAS Registry Number.