158493-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158493-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,4,9 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158493-51:
(8*1)+(7*5)+(6*8)+(5*4)+(4*9)+(3*3)+(2*5)+(1*1)=167
167 % 10 = 7
So 158493-51-7 is a valid CAS Registry Number.