76158-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76158-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,5 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76158-40:
(7*7)+(6*6)+(5*1)+(4*5)+(3*8)+(2*4)+(1*0)=142
142 % 10 = 2
So 76158-40-2 is a valid CAS Registry Number.