158369-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158369-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,6 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 158369-49:
(8*1)+(7*5)+(6*8)+(5*3)+(4*6)+(3*9)+(2*4)+(1*9)=174
174 % 10 = 4
So 158369-49-4 is a valid CAS Registry Number.