42746-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42746-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,4 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42746-64:
(7*4)+(6*2)+(5*7)+(4*4)+(3*6)+(2*6)+(1*4)=125
125 % 10 = 5
So 42746-64-5 is a valid CAS Registry Number.