34159-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34159-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,5 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 34159-39:
(7*3)+(6*4)+(5*1)+(4*5)+(3*9)+(2*3)+(1*9)=112
112 % 10 = 2
So 34159-39-2 is a valid CAS Registry Number.