18654-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18654-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,5 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 18654-18:
(7*1)+(6*8)+(5*6)+(4*5)+(3*4)+(2*1)+(1*8)=127
127 % 10 = 7
So 18654-18-7 is a valid CAS Registry Number.
InChI:InChI=1/C22H30O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-19-17-15-18-20(23)21(19)22(24)25/h2,4-5,7-8,15,17-18,23H,1,3,6,9-14,16H2,(H,24,25)/b5-4+,8-7+