1019015-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1019015-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,0,1 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1019015-05:
(9*1)+(8*0)+(7*1)+(6*9)+(5*0)+(4*1)+(3*5)+(2*0)+(1*5)=94
94 % 10 = 4
So 1019015-05-4 is a valid CAS Registry Number.