158776-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158776-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,7 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158776-43:
(8*1)+(7*5)+(6*8)+(5*7)+(4*7)+(3*6)+(2*4)+(1*3)=183
183 % 10 = 3
So 158776-43-3 is a valid CAS Registry Number.