almecillin

Modify Date: 2025-08-20 19:56:56

almecillin Structure
almecillin structure
 Common Name almecillin
CAS Number 87-09-2 Molecular Weight 330.42300
Density 1.41g/cm3 Boiling Point 629.8ºC at 760 mmHg
Molecular Formula C13H18N2O4S2 Melting Point N/A
MSDS N/A Flash Point 334.7ºC

 Names

Name penicillin O
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.41g/cm3
Boiling Point 629.8ºC at 760 mmHg
Molecular Formula C13H18N2O4S2
Molecular Weight 330.42300
Flash Point 334.7ºC
Exact Mass 330.07100
PSA 137.31000
LogP 0.86610
Index of Refraction 1.631

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI0100000
CHEMICAL NAME :
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(((2-propenylthio) acetyl)amino)-
CAS REGISTRY NUMBER :
87-09-2
BEILSTEIN REFERENCE NO. :
0044307
LAST UPDATED :
199612
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C13-H18-N2-O4-S2
MOLECULAR WEIGHT :
330.45
WISWESSER LINE NOTATION :
T45 ANV ESTJ CMV1S2U1 F1 F1 GVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Multiple routes
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
35827 ug/kg/6D-I
TOXIC EFFECTS :
Vascular - structural changes in vessels
REFERENCE :
JOALAS Journal of Allergy. (St. Louis, MO) V.1-47, 1929-71. For publisher information, see JACIBY. Volume(issue)/page/year: 31,455,1960
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intracerebral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
45 mg/kg
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
REFERENCE :
JLCMAK Journal of Laboratory and Clinical Medicine. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63141) V.1- 1915- Volume(issue)/page/year: 34,126,1949
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intracerebral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
6490 ug/kg
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
REFERENCE :
JLCMAK Journal of Laboratory and Clinical Medicine. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63141) V.1- 1915- Volume(issue)/page/year: 34,126,1949
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
38 mg/kg
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
REFERENCE :
JLCMAK Journal of Laboratory and Clinical Medicine. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63141) V.1- 1915- Volume(issue)/page/year: 34,126,1949
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intracerebral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
5610 ug/kg
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
REFERENCE :
JLCMAK Journal of Laboratory and Clinical Medicine. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63141) V.1- 1915- Volume(issue)/page/year: 34,126,1949

 Synonyms

Almezillin
(2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-prop-2-enylsulfanylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Almecilina
Allylmercaptomethylpenicillinic acid
allylsulfanylmethyl-penicillin
Penicillin AT
ALMECILLIN
Allylthiomethylpenicillin
Almecillinum
Penicillin O
Benzathin-penicillin V
Allylmercaptomethyl-penicillin
Almecilline
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