158647-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158647-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,6,4 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 158647-49:
(8*1)+(7*5)+(6*8)+(5*6)+(4*4)+(3*7)+(2*4)+(1*9)=175
175 % 10 = 5
So 158647-49-5 is a valid CAS Registry Number.