CARBENICILLIN
Brand Name(s) in US- Product Name
- CARBENICILLIN
- CAS No.
- 4697-36-3
- Chemical Name
- CARBENICILLIN
- Synonyms
- Pyocianil;onamic acid;ARBENICILLIN;CARBENICILLIN;Carboxybenzylpenicillin;CARBENICILLIN USP/EP/BP;Lactic Acid Impurity 53;CARBENICILLIN READY MADE;Carbenicillinum natricum;(α-Carboxybenzyl)penicillin
- CBNumber
- CB0243304
- Molecular Formula
- C17H18N2O6S
- Formula Weight
- 378.4
- MOL File
- 4697-36-3.mol
CARBENICILLIN Property
- Boiling point:
- 737.8±60.0 °C(Predicted)
- Density
- 1.53±0.1 g/cm3(Predicted)
- storage temp.
- −20°C
- solubility
- Soluble in DMSO
- form
- Powder
- pka
- pKa 2.22±0.05(H2O t = 25.0 I = 0.15 (KCl)) (Uncertain);3.25±0.02 (Uncertain)
- Water Solubility
- H2O: 100mg/mL
ethanol: 100mg/mL - CAS DataBase Reference
- 4697-36-3
Safety
- Hazard Codes
- Xn
- Risk Statements
- 10-42/43
- Safety Statements
- 36/37-45-22
- RIDADR
- UN 1170 3/PG 3
- WGK Germany
- 2
- Hazardous Substances Data
- 4697-36-3(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P272Contaminated work clothing should not be allowed out of the workplace.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P285In case of inadequate ventilation wear respiratory protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P304+P341IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P321Specific treatment (see … on this label).
P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.
P342+P311IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P363Wash contaminated clothing before reuse.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- CS-2745
- Product name
- Carbenicillin
- Packaging
- 250mg
- Price
- $50
- Updated
- 2021/12/16
- Product number
- B3412
- Product name
- Carbenicillin
- Packaging
- 250mg
- Price
- $87
- Updated
- 2021/12/16
- Product number
- B3412
- Product name
- Carbenicillin
- Packaging
- 1g
- Price
- $110
- Updated
- 2021/12/16
- Product number
- B3412
- Product name
- Carbenicillin
- Packaging
- 5g
- Price
- $403
- Updated
- 2021/12/16
CARBENICILLIN Chemical Properties,Usage,Production
Brand Name(s) in US
Carbenicillin: Geopen, Pyopen
Carbenicillin indanyl sodium: Geocillin
Chemical Properties
Its sodium salt ([4800-94-6]) is white or off-white crystalline powder, soluble in water, soluble in methanol, slightly soluble in ethanol, almost insoluble in benzene or ether. It has strong hygroscopicity, unstable to heat, slight odor and bitter taste.
Originator
Pyopen,Beecham,Switz.,1968
Uses
Antibacterial.
Definition
ChEBI: A penicillin antibiotic having a 6beta-2-carboxy-2-phenylacetamido side-chain.
Indications
Carbenicillin has a broad spectrum of antibacterial use with respect to Gram-negative and Gram-positive microorganisms. However, using this drug for infections caused by Grampositive microorganisms is pointless. It is used for diseases such as urinary tract infections, septicemia, endocarditis, meningitis, osteomelitis, peritonitis, purulent otitis, infected wounds, infected burns, and so on that are caused by Gram-negative microorganisms which are sensitive to such antibiotics. Synonyms of this drug are carindapen, pyopen, geopen, gripenin, and others.
Manufacturing Process
The required monobenzyl phenylmalonate, MP 68°C, was prepared by treating
a mixture of phenylmalonic acid (18 g) and benzyl alcohol (13 g) in carbon
tetrachloride (80 ml) with dry hydrogen chloride.
Monobenzyl phenylmalonate (13.3 g) in dry benzene (100 ml) was refluxed with thionyl chloride (6.45 g) for 90 minutes, then concentrated in vacuo. The
residual oil was dissolved in dry acetone (50 ml) and added to a stirred, ice-cooled solution of 6-aminopenicillanic acid (9.7 g) in N sodium bicarbonate
solution (135 ml), water (150 ml), and acetone (300 ml). The mixture was
stirred for 30 minutes at 0°C and then for 90 minutes at room temperature,
then concentrated under reduced pressure to remove acetone. The aqueous
solution was brought to pH 2 with dilute hydrochloric acid and extracted with
ether (3 x 100 ml). The ether solution was washed with water and then itself
extracted with sufficient N sodium bicarbonate solution to give an aqueous
phase of pH 7.5. The aqueous layer was separated and evaporated at low
temperature and pressure to leave the impure sodium salt of alpha-
(benzyloxycarbonyl) benzylpenicillin.
This crude product (15.8 g) in water (360 ml) was added to a
prehydrogenated suspension of 10% palladium on charcoal (4 g) in water
(400 ml), and hydrogenation was continued for 30 minutes. The catalyst was
removed and the filtrate was adjusted to pH 7.5 with sodium bicarbonate,
then evaporated at low temperature and pressure. The residue was purified by
chromatography on a column of cellulose powder, eluting first with
butanol/ethanol/water mixture and then with acetone/isopropanol/water. The
main fraction was evaporated at low temperature and pressure to give a 32%
yield of the sodium salt of alpha-carboxybenzylpenicillin as a white powder.
The product was estimated by monometric assay with penicillinase to be 58%
pure.
brand name
Geopen (Roerig); Pyopen (GlaxoSmithKline).
Therapeutic Function
Antibacterial
Antimicrobial activity
α-Carboxybenzylpenicillin; the first antipseudomonal penicillin
to be developed. A semisynthetic carboxypenicillin supplied
as the disodium salt for parenteral administration. The two
esterified prodrug formulations, carindacillin (carbenicillin
indanyl sodium) and carfecillin (carbenicillin carboxyphenyl
ester) are no longer available.
It is the least active of the group 5 agents, even against
Ps. aeruginosa (MIC 64 mg/L) with notably reduced activity
against Gram-positive cocci. It is labile to many plasmidmediated
β-lactamases, but is comparatively stable to class C
chromosomal β-lactamases (pp. 228–230). Synergy is demonstrable
with aminoglycosides against Ps. aeruginosa and other
Gram-negative bacteria.
It is not orally absorbed, except in esterified form. A 1 g
intramuscular injection achieves a plasma peak concentration
of 20–30 mg/L after 0.5–1.5 h. The half-life is around 1 h.
Plasma protein binding is 50–60%.
The drug is distributed in the extracellular fluid, providing
concentrations up to 60% of those of the plasma. In patients
with cystic fibrosis sputum concentrations may not reach
inhibitory levels for Ps. aeruginosa. It does not cross the normal
meninges but levels of up to 50% of those of the plasma
can be found in patients with meningitis. Around 80% of the dose appears as unchanged drug in the urine, producing very
high levels (2–4 g/L). It is more rapidly disposed of in patients
with cystic fibrosis.
Hypersensitivity reactions may occur, but these are less
frequent and severe than those associated with benzylpenicillin.
High blood levels sometimes cause a coagulation defect
that has occasionally progressed to life-threatening bleeding
in patients with impaired excretion while receiving 500 mg/kg
per day or more. Reversible abnormalities of liver function
apparently occur more commonly than with other antipseudomonal
penicillins. Since large doses of the drug have
to be used, convulsions can occur (as with other penicillins;
p. 203) and, being administered as the disodium salt, electrolyte
disturbances can result. It was formerly
used for treatment
of serious infections, especially those involving Ps. aeruginosa.
It has extremely limited availability.
Biological Activity
carbenicillin is broad-spectrum semisynthetic penicillin derivative used parenterally.
Synthesis
Carbenicillin, [2S-(2|á,5|á,6|?)]-3,3-dimethyl-7-oxo-6-(2-carboxy-2- phenylacetamido)-4-thia-1-azabicyclo[3.2.0]-heptan-2-carboxylic acid (32.1.1.32), is synthesized by direct acylation of 6-APA in the presence of sodium bicarbonate by phenylmalonic acid monobenzyl ester chloride, which forms the benzyl ester of carbenicillin (32.1.1.31), the hydrogenolysis of which using palladium on carbon or calcium carbonate as catalyst gives the desired product (32.1.1.32).
CARBENICILLIN Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from CARBENICILLIN manufacturers
- Product
- Carbenicillin 4697-36-3
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 0.99
- Supply Ability
- 1000KG
- Release date
- 2025-04-22
- Product
- Carbenicillin 4697-36-3
- Price
- US $1.00-22.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100000KG
- Release date
- 2024-08-07
- Product
- Carbenicillin 4697-36-3
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-10