158549-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158549-15-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,4 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158549-15:
(8*1)+(7*5)+(6*8)+(5*5)+(4*4)+(3*9)+(2*1)+(1*5)=166
166 % 10 = 6
So 158549-15-6 is a valid CAS Registry Number.