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Carbenicillin disodium

CAS No.
4800-94-6
Chemical Name:
Carbenicillin disodium
Synonyms
geopen;pyopen;piopen;hyoper;pyopene;gripenin;Carbapen;brl-2064;carbecin;ANABACTYL
CBNumber:
CB7308325
Molecular Formula:
C17H19N2NaO6S
Molecular Weight:
402.4
MDL Number:
MFCD00077683
MOL File:
4800-94-6.mol
MSDS File:
SDS
Last updated:2026-01-27 18:41:44
Product description Number Pack Size Price
Carbenicillin disodium salt 89.0-100.5% anhydrous basis C1389 1g $134
Carbenicillin disodium salt 89.0-100.5% anhydrous basis C1389 5g $323.4
Carbenicillin sodium European Pharmacopoeia (EP) Reference Standard C0455000 50 mg $161
Carbenicillin Disodium (mixture of isomers) C2241 10G $192
Carbenicillin (sodium salt) 20871 5g $81
More product size

Carbenicillin disodium Properties

Melting point >190°C (dec.)
alpha +175~+190°(D/20℃)(c=4,H2O)(calculated on the dehydrous basis)
storage temp. Inert atmosphere,2-8°C
solubility H2O: 50 mg/mL
form powder
color white to off-white
PH 5.5~7.5 (10g/l, 25℃)
Water Solubility Soluble in water.
Merck 13,1801
BRN 5722128
Major Application pharmaceutical (small molecule)
InChIKey HUKAYYNGXWHSGG-MRDJHEKFNA-N
SMILES C([C@H]1C(S[C@]2([H])[C@H](NC(=O)C(C3C=CC=CC=3)C(=O)O)C(=O)N12)(C)C)(=O)O.[NaH] |&1:1,4,6,r|
FDA UNII 9TS4B3H261
UNSPSC Code 51282413
NACRES NA.76

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS08
Signal word  Danger
Hazard statements  H317-H334
Precautionary statements  P261-P272-P280-P284-P302+P352-P333+P313
PPE dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Hazard Codes  Xn
Risk Statements  42/43
Safety Statements  22-36/37-36
RIDADR  UN 1170 3/PG 3
WGK Germany  2
RTECS  ON9105000
3-8-10
HS Code  29411000
Storage Class 11 - Combustible Solids
Hazard Classifications Resp. Sens. 1
Skin Sens. 1
Toxicity LD50 i.p. in rats: >2000 mg/kg (Goldenthal)

Carbenicillin disodium price More Price(47)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich C1389 Carbenicillin disodium salt 89.0-100.5% anhydrous basis 4800-94-6 1g $134 2025-07-31 Buy
Sigma-Aldrich C1389 Carbenicillin disodium salt 89.0-100.5% anhydrous basis 4800-94-6 5g $323.4 2025-07-31 Buy
Sigma-Aldrich C0455000 Carbenicillin sodium European Pharmacopoeia (EP) Reference Standard 4800-94-6 50 mg $161 2025-07-31 Buy
TCI Chemical C2241 Carbenicillin Disodium (mixture of isomers) 4800-94-6 10G $192 2025-07-31 Buy
Cayman Chemical 20871 Carbenicillin (sodium salt) 4800-94-6 5g $81 2024-03-01 Buy
Product number Packaging Price Buy
C1389 1g $134 Buy
C1389 5g $323.4 Buy
C0455000 50 mg $161 Buy
C2241 10G $192 Buy
20871 5g $81 Buy

Carbenicillin disodium Chemical Properties,Uses,Production

Description

Carbenicillin is a broad-spectrum carboxypenicillin antibiotic. It is active against Gram-negative and certain Gram-positive bacteria, including S. pyogenes, S. epidermidis, P. mirabilis, P. vulgaris, E. coli, and P. aeruginosa (MICs = 0.19, 1.56, 1.56, 3.12, 3.12, and 50 μg/ml, respectively). It is also active against penicillinase-producing and non-producing strains of S. aureus (MICs = 1.56 and 12.5 μg/ml, respectively). Carbenicillin is protective against systemic S. pyogenes, P. vulgaris, E. coli, and S. aureus infection in a mouse model of systemic lethal infection with 50% protective dose (PD50) values of 7.8, 224, 19.3, and 34 mg/kg, respectively. It also decreases viable colony counts in the kidney in a rat model of P. vulgaris or E. coli urinary tract infection when administered at a dose of 100 mg/kg. Formulations containing carbenicillin have previously been used in the treatment of upper and lower urinary tract infections and prostatitis.

Chemical Properties

white Powder

Originator

Pyopen,Beecham,Switz.,1968

Uses

Carbenicillin disodium salt is a water-soluble antibiotic which is effective against gram-negative bacteria.Carbenicillin disodium salt is widely utilized as an antibiotic which is used to control bacterial cell-wall synthesis by inactivating transpeptidases on the inner surface of the bacterial cell membrane. It has been involved in the study of the role of penicillin-sensitive transpeptidases in cell wall biosynthesis.

Uses

Semi-synthetic antibiotic related to Penicillin (P223500). Antibacterial.

Definition

ChEBI: Carbenicillin disodium is an organic sodium salt. It contains a carbenicillin(2-).

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

General Description

Carbenicillin was synthesized by Brain et al. of Beecham Research Laboratories in 1965. It was the first synthetic penicillin to show activity against Pseudomonas aeruginosa. Although its activity against the microorganism is not strong (MIC = 25 – 100 μg/mL), it is widely used against P. aeruginosa infections because of its low toxicity and the lack of other antibiotics suitable for use against this microorganism. Carbenicillin is mainly used clinically to treat urinary tract and respiratory tract infections and sepsis caused by Proteus, Escherichia coli, Klebsiella, and Pseudomonas aeruginosa.

Clinical Use

Carbenicillin disodium, disodium α-carboxybenzylpenicillin(Geopen, Pyopen), is a semisynthetic penicillin releasedin the United States in 1970, which was introduced inEngland and first reported by Ancred et al. in 1967.Examination of its structure shows that it differs from ampicillinin having an ionizable carboxyl group rather than anamino group substituted on the α-carbon atom of the benzylside chain. Carbenicillin has a broad range of antimicrobialactivity, broader than any other known penicillin, a propertyattributed to the unique carboxyl group. It has been proposedthat the carboxyl group improves penetration of themolecule through cell wall barriers of Gram-negativebacilli, compared with other penicillins.
Carbenicillin is not stable in acids and is inactivated bypenicillinase. It is a malonic acid derivative and, as such, decarboxylatesreadily to penicillin G, which is acid labile.Solutions of the disodium salt should be freshly prepared but,when refrigerated, may be kept for 2 weeks. It must be administeredby injection and is usually given intravenously.
Carbenicillin has been effective in the treatment of systemicand urinary tract infections caused by P. aeruginosa,indole-producing Proteus spp., and Providencia spp., all ofwhich are resistant to ampicillin. The low toxicity of carbenicillin,with the exception of allergic sensitivity, permits theuse of large dosages in serious infections. Most cliniciansprefer to use a combination of carbenicillin and gentamicinfor serious pseudomonal and mixed coliform infections. Thetwo antibiotics are chemically incompatible, however, andshould never be combined in an intravenous solution.

References

[1] A R ENGLISH. Carbenicillin indanyl sodium, an orally active derivative of carbenicillin.[J]. Antimicrobial Agents and Chemotherapy, 1972, 1 3: 185-191. DOI: 10.1128/aac.1.3.185

Carbenicillin disodium Preparation Products And Raw materials

Global( 478)Suppliers
Supplier Tel Email Country ProdList Advantage
Suzhou Actchem Co., Ltd.
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View Lastest Price from Carbenicillin disodium manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Carbenicillin disodium pictures 2026-01-30 Carbenicillin disodium
4800-94-6
US $1.00 / kg 1kg 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Carbenicillin disodium pictures 2026-01-27 Carbenicillin disodium
4800-94-6
US $44.00 / mg 98.68% 10g TargetMol Chemicals Inc.
Carbenicillin disodium pictures 2026-01-27 Carbenicillin disodium
4800-94-6
US $44.00 / mg 98.68% 10g TargetMol Chemicals Inc.
gripenin hyoper microcillin nsc-111071 piopen pyopen pyopene MonoclonalAntibodytoProcathepsinW(Human)(CW40-1B1) CARBENICILIN 4-Thia-1-azabicyclo3.2.0heptane-2-carboxylic acid, 6-(carboxyphenylacetyl)amino-3,3-dimethyl-7-oxo-, disodium salt, (2S,5R,6R)- 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[(carboxyphenylacetyl)amino]-3,3-dimethyl-7-oxo-, disodium salt, [2S-(2α,5α,6β)]- Carbapen Carbenicilline disodium Disodium (α-carboxybenzyl)penicillin Malonamic acid, N-(2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-6-yl)-2-phenyl-, disodium salt (7CI, 8CI) Sodium carbenicillin α-Carboxybenzylpenicillin sodium salt Carbenicillin, 2Na SYNONYMΑ-CARBOXYBENZYLPENICILLINDISODIUMSALT Carbenicillin disodi 6-[(Carboxyphenylacetyl)-amino]-3,3-dimethyl-7-oxo-[2S-(2,5,6)-4-thia-1-aza-bicyclo[3.2.0]-heptane-2-carboxylate sodium a-Carboxybenzylpenicillin disodium salt 6-[(2-Carboxy-2-phenyl-acetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[(2-carboxy-2-phenylacetyl)aMino]-3,3-diMethyl-7-oxo-, sodiuM salt(1:2), (2S,5R,6R)- (2S,5R,6R)-6-[(2-Carboxy-2-phenylacetyl)aMino]-3,3-diMethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid SodiuM Salt N-(2-Carboxy-3,3-diMethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-6-yl)-2-phenylMalonaMic Acid DisodiuM (2S,5R,6R)-6-[(2-Carboxy-2-phenylacetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid disodium salt brl-2064 carbecin carboxybenzylpenicillinsodium cp-15-639-2 disodiumcarbenicillin fugacillin geopen 6-[(CARBOXYPHENYLACETYL)-AMINO]-3,3-DIMETHYL-7-OXO-4-THIA-1-AZA-BICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID, 2NA ANABACTYL ALPHA-CARBOXYBENZYLPENICILLIN ALPHA-CARBOXYBENZYLPENICILLIN DISODIUM SALT CARBENICILLIN DISODIUM SALT USP CARBENICILLIN MONOSODIUM USP(CRM STANDARD) CARBENICILLIN MONOSODIUM WHO(CRM STANDARD) CARBENCILLIN SODIUM Carbenicillinedisodiumsalt Carbenicillinesodium Carbenicillin DisodiuM (90%) DISODIUM ALPHA-CARBOXYBENZYLPENICILLIN disodium [2s-(2alpha,5alpha,6beta)]-6-(carboxylatophenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate CARBENICILLIN DISODIUM CARBENICILLIN DISODIUM SALT CARBENICILLIN-NA2-SALT CARBENICILLIN SODIUM CARBENICILLIN SODIUM SALT CARBENCILIN, DISODIUM SALT α-Carboxybenzylpenicillin disodium salt CARBENICILLIN DISODIUM PLANT CELLCULTURE TESTED CARBENICILLIN DISODIUM SALT, BIOTECHNOLO CARBENICILLIN READY MADE SOLUTION CARBENICILLIN DISODIUM USP