29731-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29731-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,7,3 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 29731-15:
(7*2)+(6*9)+(5*7)+(4*3)+(3*1)+(2*1)+(1*5)=125
125 % 10 = 5
So 29731-15-5 is a valid CAS Registry Number.