525-91-7 Usage
Uses
Penicillin X is the penicillin of choice in the treatment of infections with pneumococcus Type I and hemolytic streptococci. 6.
Check Digit Verification of cas no
The CAS Registry Mumber 525-91-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,2 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 525-91:
(5*5)+(4*2)+(3*5)+(2*9)+(1*1)=67
67 % 10 = 7
So 525-91-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H18N2O5S/c1-16(2)12(15(22)23)18-13(21)11(14(18)24-16)17-10(20)7-8-3-5-9(19)6-4-8/h3-6,11-12,14,19H,7H2,1-2H3,(H,17,20)(H,22,23)/t11-,12+,14-/m1/s1
