158341-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158341-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,4 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158341-65:
(8*1)+(7*5)+(6*8)+(5*3)+(4*4)+(3*1)+(2*6)+(1*5)=142
142 % 10 = 2
So 158341-65-2 is a valid CAS Registry Number.