1049037-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1049037-18-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,9,0,3 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1049037-18:
(9*1)+(8*0)+(7*4)+(6*9)+(5*0)+(4*3)+(3*7)+(2*1)+(1*8)=134
134 % 10 = 4
So 1049037-18-4 is a valid CAS Registry Number.