세프라딘

세프라딘
세프라딘 구조식 이미지
카스 번호:
38821-53-3
한글명:
세프라딘
동의어(한글):
세프라딘;세프라딘(CEPHRADINE)
상품명:
Cefradine
동의어(영문):
CEPHRADINE;CEPHRADINE COMPACTED;Anspor;velosef;CEFRADIN;cephradin;Cefradine CRS;Cefro;Cefrag;sefril
CBNumber:
CB2341505
분자식:
C16H19N3O4S
포뮬러 무게:
349.4
MOL 파일:
38821-53-3.mol
MSDS 파일:
SDS

세프라딘 속성

녹는점
140-142 C
끓는 점
898℃
밀도
1.2794 (rough estimate)
굴절률
1.6320 (estimate)
인화점
>110°(230°F)
저장 조건
Keep in dark place,Inert atmosphere,2-8°C
용해도
1M NH4OH: 용해성50mg/mL
산도 계수 (pKa)
2.63, 7.27(at 25℃)
물리적 상태
가루
색상
하얀색
수용성
물에 용해됨
안정성
감광성
CAS 데이터베이스
38821-53-3(CAS DataBase Reference)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xi,Xn
위험 카페고리 넘버 36/37/38-42/43-20/21/22
안전지침서 26-36-45-36/37-22
WGK 독일 1
RTECS 번호 XI0336000
HS 번호 29419054
유해 물질 데이터 38821-53-3(Hazardous Substances Data)
기존화학 물질 KE-01272
그림문자(GHS): GHS hazard pictogramsGHS hazard pictograms
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H317 알레르기성 피부 반응을 일으킬 수 있음 피부 과민성 물질 구분 1 경고 GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H334 흡입 시 알레르기성 반응, 천식 또는 호흡 곤란 등을 일으킬 수 있음 호흡기 과민성 물질 구분 1 위험 GHS hazard pictograms P261, P285, P304+P341, P342+P311,P501
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고 GHS hazard pictograms
예방조치문구:
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P302+P352 피부에 묻으면 다량의 물로 씻으시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
NFPA 704
0
2 0

세프라딘 C화학적 특성, 용도, 생산

개요

Cefradine is an orally bioavailable β-lactam cephalosporin antibiotic. It is active against S. pyogenes, E. coli, K. pneumoniae, and E. cloacae (MICs = 0.04, 9.4, 9.4, and 6.3 μg/ml, respectively). Cefradine is also active against clinical isolates of S. aureus (MICs = 0.8-6 μg/ml) and S. pyogenes (MICs = 0.1-0.4 μg/ml), as well as H. influenzae, E. coli, and K. pneumoniae (MICs = 6.2-12.5 μg/ml). It increases survival in mouse models of systemic lethal infection by S. pyogenes, E. coli, K. pneumoniae, or E. cloacae (ED50s = 5, 37, 122, and 50 mg/kg, respectively), as well as by penicillin-susceptible or -resistant strains of S. aureus (ED50s = 18 and 91 mg/kg, respectively). Formulations containing cefradine have previously been used in the treatment of respiratory and urinary tract infections, skin infections, and otitis media.

화학적 성질

Solid

용도

Cephalosporin antibacterial.

정의

ChEBI: A cephalosporin with a methyl substituent at position 3, and a (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetamido substituent at position 7, of the cephem skeleton.

주요 응용

Cephradine was synthesized by the Squibb Institute of Medical Research in 1971. It shows almost the same antibacterial activity and pharmacokinetic properties as cephalexin. Cephradine has been used for therapy of urinary and respiratory tract infections caused by Staphylococcus, Streptococcus, Escherichia coli, Klebsiella, and Proteus mirabilis.

Antimicrobial activity

Cephradine. A semisynthetic cephalosporin available in both oral and injectable forms. The antibacterial spectrum and susceptibility to β-lactamases are almost identical to those of cefalexin .
It is almost completely absorbed when given by mouth. A 500 mg oral dose achieves a concentration of about 18–20 mg/L after 1 h. The peak is delayed and reduced by food, but the half-life is not altered. Intramuscular administration of 1 g results a plasma concentration of 10–12 mg/L within 2 h. The plasma half-life is around 1 h and protein binding low.
Concentrations of up to 40% of those simultaneously found in the serum have been demonstrated in lung tissue. Penetration into the CSF is poor. Levels in sputum were about 20% of those simultaneously present in the plasma following a 1 g oral dose and similar levels have been found in bone. Breast milk concentrations approaching 1 mg/L have been found after 500 mg orally every 6 h and similar concentrations have been found in amniotic fluid. Cord blood concentration is said to be similar to that in the maternal blood.
It is excreted unchanged in the urine mostly in the first 6 h, achieving concentrations exceeding 1 g/L. Probenecid markedly increases the plasma concentration and delays the peak.
There is some biliary excretion. The parenteral forms may give rise to local pain or thrombophlebitis. Other side effects common to cephalosporins have been described. In some patients Candida vaginitis has been troublesome.
Clinical use is similar to that of cefalexin, but it has been largely superseded by later cephalosporins.

Clinical Use

Cephradine (Anspor, Velosef) is the only cephalosporinderivative available in both oral and parenteral dosageforms. It closely resembles cephalexin chemically (it maybe regarded as a partially hydrogenated derivative ofcephalexin) and has very similar antibacterial and pharmacokineticproperties.
It occurs as a crystalline hydrate that is readily soluble inwater. Cephradine is stable to acid and absorbed almostcompletely after oral administration. It is minimally proteinbound and excreted almost exclusively through the kidneys.It is recommended for the treatment of uncomplicated urinarytract and upper respiratory tract infections caused bysusceptible organisms. Cephradine is available in both oraland parenteral dosage forms.

세프라딘 준비 용품 및 원자재

원자재

준비 용품


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