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
- Molecular Weight:
- 380.42
- MOL File:
- 61-32-5.mol
- Modify Date:
- 2023/5/4 15:10:44
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302 |
| Precautionary statements | P264-P270-P301+P312-P330-P501 |
| Hazard Codes | Xn |
| Risk Statements | 22 |
| WGK Germany | 3 |
| RTECS | XH2379000 |
methicillin Chemical Properties,Uses,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.
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superseded by other group 3 members and is no longer commercially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.
methicillin Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| TargetMol Chemicals Inc. | +1-781-999-5354 | United States | 19973 | 58 | Inquiry |
| ZHEJIANG JIUZHOU CHEM CO., LTD | +86-0576225566889 +86-13454675544 | China | 19947 | 58 | Inquiry |
| Guangzhou Isun Pharmaceutical Co., Ltd | 020-39119399 18927568969 | China | 4428 | 55 | Inquiry |
| BOC Sciences | USA | 0 | 65 | Inquiry | |
| Service Chemical Inc. | 888-895-6920 | Germany | 6373 | 71 | Inquiry |
| Lanospharma Laboratories Co.,Ltd | 13440048448 | China | 6343 | 56 | Inquiry |
| SIGMA-RBI | 800 736 3690 (Orders) | Switzerland | 6913 | 91 | Inquiry |
| Alta Scientific Co., Ltd. | 022-6537-8550 15522853686 | China | 4515 | 55 | Inquiry |
| Sigma-Aldrich | 021-61415566 800-8193336 | China | 51471 | 80 | Inquiry |
| Riedel-de Haen AG | 800 558-9160 | United States | 6825 | 87 | Inquiry |
| Supplier | Advantage |
|---|---|
| TargetMol Chemicals Inc. | 58 |
| ZHEJIANG JIUZHOU CHEM CO., LTD | 58 |
| Guangzhou Isun Pharmaceutical Co., Ltd | 55 |
| BOC Sciences | 65 |
| Service Chemical Inc. | 71 |
| Lanospharma Laboratories Co.,Ltd | 56 |
| SIGMA-RBI | 91 |
| Alta Scientific Co., Ltd. | 55 |
| Sigma-Aldrich | 80 |
| Riedel-de Haen AG | 87 |
Related articles
- Methicillin: Phenoxypenicillins: Antimicrobial Activity, Susceptibility, Administration and Dosage Clinical Uses etc.
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- Mar 14，2022
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