153809-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153809-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,8,0 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 153809-39:
(8*1)+(7*5)+(6*3)+(5*8)+(4*0)+(3*9)+(2*3)+(1*9)=143
143 % 10 = 3
So 153809-39-3 is a valid CAS Registry Number.