158577-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158577-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,7 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 158577-90:
(8*1)+(7*5)+(6*8)+(5*5)+(4*7)+(3*7)+(2*9)+(1*0)=183
183 % 10 = 3
So 158577-90-3 is a valid CAS Registry Number.