methicillin
- Product Name
- methicillin
- CAS No.
- 61-32-5
- Chemical Name
- methicillin
- Synonyms
- Metin;C07177;BRL-1241;Metacillin;Dimocillin;Methcilline;methicillin;Dimethoxyphenyl Penicillin;MRSA Selective Supplement;2,6-Dimethoxyphenylpenicillin
- CBNumber
- CB3889080
- Molecular Formula
- C17H20N2O6S
- Formula Weight
- 380.42
- MOL File
- 61-32-5.mol
methicillin Property
- Boiling point:
- 640.0±55.0 °C(Predicted)
- Density
- 1.44±0.1 g/cm3(Predicted)
- pka
- pKa 2.77± 0.04(H2O,t = 25,c=0.0097) (Uncertain)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 22
- WGK Germany
- 3
- RTECS
- XH2379000
- Hazardous Substances Data
- 61-32-5(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P330Rinse mouth.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 51387
- Product name
- MRSA Selective Supplement
- Purity
- for microbiology
- Packaging
- 5vials
- Price
- $168
- Updated
- 2024/03/01
methicillin Chemical Properties,Usage,Production
Uses
Antibacterial.
Definition
ChEBI: A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 2,6-dimethoxybenzoyl group.
brand name
Staphcillin (Apothecon).
Antimicrobial activity
2,6-Dimethoxyphenylpenicillin; methicillin (international
non-proprietary name). The first β-lactamase-resistant semisynthetic
penicillin. It was initially used widely but has been
superseded by other group 3 members and is no longer commercially
available.
It is less active than benzylpenicillin or other group 3
penicillins. It is very stable to staphylococcal
β-lactamase and is active against β-lactamaseproducing
strains of Staph. aureus that do not produce a
functional PBP 2a. Resistance is common among
staphylococci, with the incidence geographically diverse.
Most methicillin-resistant staphylococcal isolates display
multiresistance.
It is not acid resistant, and must therefore be administered
parenterally. About 10% is metabolized, with 60–80% of the
dose excreted in the urine. Toxicity is similar to that of other
group 3 penicillins. Nephritis appears to be more common
than with other penicillins.
Pharmacology
Like other semisynthetic penicillins, methicillin exhibits an antibacterial effect similar to that of benzylpenicillin. The main difference between methicillin and benzylpenicillin is that it is not inactivated by the enzyme penicillinase, and therefore it is effective with respect to agents producing this enzyme (staphylococci). It is used for infections caused by benzylpenicillinresistant staphylococci (septicemia, pneumonia, empyemia, osteomyelitis, abscesses, infected wounds, and others). Synonyms of this drug are cinopenil, celbenin, staphcillin, and others.
Synthesis
Methicillin, [2S-(2|á,5|á,6|?)]-3,3-dimethyl-7-oxo-6-(2,6-dimethoxybenzamido)- 4-thia-1-azabicyclo[3.2.0]-heptan-2-carboxylic acid (32.1.1.3), is synthesized by acylating 6- APA with 2,6-dimethoxybenzoic acid chloride in the presence of triethylamine.
methicillin Preparation Products And Raw materials
Raw materials
Preparation Products
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