551-27-9 Usage
Uses
Propicillin, is a derivative of penicillin. Properties are similar to benzylpenicillin particularly used in streptococcal infections, not resistant to penicillinase.
Check Digit Verification of cas no
The CAS Registry Mumber 551-27-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,5 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 551-27:
(5*5)+(4*5)+(3*1)+(2*2)+(1*7)=59
59 % 10 = 9
So 551-27-9 is a valid CAS Registry Number.
InChI:InChI=1/C18H22N2O5S/c1-4-11(25-10-8-6-5-7-9-10)14(21)19-12-15(22)20-13(17(23)24)18(2,3)26-16(12)20/h5-9,11-13,16H,4H2,1-3H3,(H,19,21)(H,23,24)/t11?,12-,13+,16-/m1/s1