541-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 541-18-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,4 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 541-18:
(5*5)+(4*4)+(3*1)+(2*1)+(1*8)=54
54 % 10 = 4
So 541-18-4 is a valid CAS Registry Number.
InChI:InChI=1/C9H21N2O2/c1-11(2,3)7-9(13)8(12)5-4-6-10/h9,13H,4-7,10H2,1-3H3/q+1