6β-[(N-phenylacetyl-glycyl)-amino]-penicillanic acid, also known as ampicillin, is a semi-synthetic antibiotic derived from the penicillin group. It is a broad-spectrum beta-lactam antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins, ultimately leading to bacterial cell lysis and death. Ampicillin is effective against a wide range of Gram-positive and some Gram-negative bacteria, making it useful for treating various infections such as respiratory, urinary tract, and skin infections. Its chemical structure features a phenylacetyl-glycyl side chain attached to the 6β position of the penicillanic acid nucleus, which contributes to its enhanced activity against certain bacteria compared to natural penicillins.
The CAS Registry Mumber 1431-98-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,3 and 1 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 1431-98: (6*1)+(5*4)+(4*3)+(3*1)+(2*9)+(1*8)=67 67 % 10 = 7 So 1431-98-7 is a valid CAS Registry Number.