54947-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54947-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,4 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54947-44:
(7*5)+(6*4)+(5*9)+(4*4)+(3*7)+(2*4)+(1*4)=153
153 % 10 = 3
So 54947-44-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H28O5/c1-19-9-16(23)18-13-5-3-12(22)8-11(13)2-4-14(18)15(19)6-7-20(19,25)17(24)10-21/h8,13-16,18,21,23,25H,2-7,9-10H2,1H3/t13-,14-,15-,16-,18+,19-,20-/m0/s1