1181705-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1181705-37-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,7,0 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1181705-37:
(9*1)+(8*1)+(7*8)+(6*1)+(5*7)+(4*0)+(3*5)+(2*3)+(1*7)=142
142 % 10 = 2
So 1181705-37-2 is a valid CAS Registry Number.