153721-06-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153721-06-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,7,2 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 153721-06:
(8*1)+(7*5)+(6*3)+(5*7)+(4*2)+(3*1)+(2*0)+(1*6)=113
113 % 10 = 3
So 153721-06-3 is a valid CAS Registry Number.