1591939-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1591939-34-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,1,9,3 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1591939-34:
(9*1)+(8*5)+(7*9)+(6*1)+(5*9)+(4*3)+(3*9)+(2*3)+(1*4)=212
212 % 10 = 2
So 1591939-34-2 is a valid CAS Registry Number.