156358-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156358-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,5 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 156358-43:
(8*1)+(7*5)+(6*6)+(5*3)+(4*5)+(3*8)+(2*4)+(1*3)=149
149 % 10 = 9
So 156358-43-9 is a valid CAS Registry Number.