1137205-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1137205-04-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,7,2,0 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1137205-04:
(9*1)+(8*1)+(7*3)+(6*7)+(5*2)+(4*0)+(3*5)+(2*0)+(1*4)=109
109 % 10 = 9
So 1137205-04-9 is a valid CAS Registry Number.