101939-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101939-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,9,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 101939-05:
(8*1)+(7*0)+(6*1)+(5*9)+(4*3)+(3*9)+(2*0)+(1*5)=103
103 % 10 = 3
So 101939-05-3 is a valid CAS Registry Number.