cefaclor Chemical and Physical Properties

Names and Identifiers

- cefaclor
- 7-(D-2-AMINO-2-PHENYLACETAMIDO)-3-CHLORO-3-CEPHEM-4-CARBOXYLIC
- Cephaclor
- Kefral
- panoral
- S 6472
- 8-(2-Amino-2-phenyl-acetyl)amino-4-chloro-7-oxo-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid
- NCGC00022612-05
- 7beta-{[(2R)-2-amino-2-phenylacetyl]amino}-3-chloro-3,4-didehydrocepham-4-carboxylic acid
- SpecPlus_000947
- (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- QYIYFLOTGYLRGG-GPCCPHFNSA-N
- KBio2_001550
- Spectrum5_001727
- C06877
- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-, (6R,7R)-
- HMS2233M13
- Alenfral (TN)
- KBio2_006686
- NSC757422
- Cefaclor anhydrous
- AB00052174_16
- CCL
- AS-74992
- BSPBio_003276
- CHEBI:3478
- C3478
- CEFACLOR [JAN]
- L-Kefral
- S-6472
- (6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- MLS000069617
- SCHEMBL33540
- Pharmakon1600-01500771
- KBio2_004118
- AB00052174_15
- EINECS 258-909-5
- KBioGR_000386
- (6R,7R)-7-[(R)-2-AMINO-2-PHENYLACETAMIDO]-3-CHLORO-8-OXO-5-THIA-1-AZABICYCLO[4,2,0]OCT-2-ENE-2-CARBOXYLIC ACID
- Ceclor
- MLS001424193
- Cefaclor [INN]
- Prestwick2_000485
- Prestwick2_001102
- CAS-53994-73-3
- CEFACLOR [WHO-DD]
- HMS2052C11
- CEFACLOR IMPURITY C [EP IMPURITY]
- HMS1921G22
- BCPP000294
- 5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID, 7-(((2R)-2-AMINO-2-PHENYLACETYL)AMINO)-3-CHLORO-8-OXO-, (6R,7R)-
- HY-B0198
- BPBio1_000385
- SPECTRUM1500771
- SR-05000001556-1
- EN300-19651305
- Spectrum3_001858
- D00256
- NCGC00022612-07
- 8XI
- SBI-0051606.P002
- DivK1c_007043
- Spectrum_001070
- SR-05000001556
- Cefaclorum [INN-Latin]
- SPBio_002270
- (6R,7R)-7-((S)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- Prestwick1_001102
- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-[[(2R)-aminophenylacetyl]amino]-3-chloro-8-oxo-, (6R,7R)-
- BDBM42131
- Cefaclor,(S)
- KBioSS_001550
- NCGC00022612-06
- Dystaclor MR
- Epitope ID:117133
- HMS2092K08
- Spectrum2_001189
- DB00833
- NS00000499
- 53994-73-3 (free)
- Ceclor CD
- NCGC00022612-04
- CEFACLOR [MI]
- SPBio_003082
- cid_51039
- C-2461
- A900728
- Alfacet
- Spectrum4_000093
- DTXSID3022748
- A12614
- BSPBio_001204
- Cefaclor, analytical reference material
- 7-((2R)-2-amino-2-phenylacetylamino)(7R,7aR)-3-chloro-6-oxo-2H,7H-azetidino[2, 1-b]1,3-thiazine-4-carboxylic acid
- AB00052174
- Tox21_110880
- NC00354
- DTXCID002748
- CHEMBL680
- NCGC00022612-10
- 3Z6FS3IK0K
- MFCD00151471
- HMS1571M06
- (6R,7R)-7-[[(2R)-2-azaniumyl-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
- BCP9000501
- (6R,7R)-7-[[(2R)-2-amino-2-phenyl-acetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((aminophenylacetyl)amino)-3-chloro-8-oxo-, (6R-(6-alpha,7-beta(R*)))-
- BRD-K20338176-002-03-5
- Prestwick3_000485
- Prestwick3_001102
- 53994-73-3
- BSPBio_000349
- Q415167
- BPBio1_001326
- (6R,7R)-7-[(2R)-2-amino-2-phenylacetamido]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- Prestwick0_001102
- CefaclorImpurityC
- NCGC00015260-22
- Cefaclor hydrate
- Cefaclor (JP17)
- Cefaclor Impurity C
- SMR000058250
- Prestwick0_000485
- 143059-69-2
- KBio3_002777
- Prestwick1_000485
- Tox21_110880_1
- UNII-3Z6FS3IK0K
- CCG-40264
- NCGC00022612-11
- KBio1_001987
- (6R,7R)-7-((R)-2-Amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid
- Raniclor
- SPBio_001237
- (6R,7R)-7-[[(2S)-2-amino-1-oxo-2-phenylethyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- AKOS024282614
- Cefaclor, Antibiotic for Culture Media Use Only
- Cefaclorum
- (6R,7R)-7-(((2R)-2-AMINO-2-PHENYLACETYL)AMINO)-3-CHLORO-8-OXO-5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID
- (6R,7R)-7-{[(2R)-2-amino-2-phenylacetyl]amino}-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- 3-Chloro-7-D-(2-phenylglycinamido)-3-cephem-4-carboxylic acid
- Keftid
- Lilly 99638
- CEFACLOR [EP MONOGRAPH]
- CEFACLOR (USP MONOGRAPH)
- CEFACLOR [ORANGE BOOK]
- Cefaclor (JP18)
- 5-THIA-1-AZABICYCLO(4.2.0)OCT-2-ENE-2-CARBOXYLIC ACID, 7-((AMINOPHENYLACETYL)AMINO)-3-CHLORO-8-OXO-, MONOHYDRATE, (6R-(6.ALPHA.,7.BETA.(R*)))-
- 7beta-(((2R)-2-amino-2-phenylacetyl)amino)-3-chloro-3,4-didehydrocepham-4-carboxylic acid
- CEFACLOR [USP MONOGRAPH]
- Bacticlor mr
- 1ST10007
- Distaclor mr
- BRD-K20338176-001-17-7
- CEFACLOR [VANDF]
- Cefaclorum (INN-Latin)
- CEFACLOR (USP-RS)
- BRD-K20338176-001-18-5
- Cefaclor (anhydrous)
- 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((aminophenylacetyl)amino)-3-chloro-8-oxo-, monohydrate, (6R-(6alpha,7beta(R*)))-
- NSC-757422
- CEFACLOR [USP-RS]
- Alenfral
- Ceclor (TN)
- (6R,7R)-7-((2R)-2-Amino-2-phenylacetylamino)-3-chloro-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid
- Cefeaclor
- (6R,7R)-7-[(2R)-2-Amino-2-phenylacetylamino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- BRD-K20338176-001-16-9
- (6R,7R)-7-((2R)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid
- CEFACLOR [USAN]
- CEFACLOR (MART.)
- CEFACLOR [MART.]
- CEFACLOR (EP MONOGRAPH)
- Cefaclor [anhydrous]
- MDL： MFCD00151471
- Inchi： 1S/C15H14ClN3O4S/c16-8-6-24-14-10(13(21)19(14)11(8)15(22)23)18-12(20)9(17)7-4-2-1-3-5-7/h1-5,9-10,14H,6,17H2,(H,18,20)(H,22,23)/t9-,10-,14-/m1/s1
- InChI Key： QYIYFLOTGYLRGG-GPCCPHFNSA-N
- SMILES： ClC1CS[C@@H]2[C@@H](C(N2C=1C(=O)O)=O)NC([C@@H](C1C=CC=CC=1)N)=O

Computed Properties

Exact Mass: 367.03900
Monoisotopic Mass: 367.039
Isotope Atom Count: 0
Hydrogen Bond Donor Count: 3
Hydrogen Bond Acceptor Count: 7
Heavy Atom Count: 24
Rotatable Bond Count: 5
Complexity: 606
Covalently-Bonded Unit Count: 1
Defined Atom Stereocenter Count: 3
Undefined Atom Stereocenter Count : 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Surface Charge: 0
XLogP3: -1.8
Topological Polar Surface Area: 113

Experimental Properties

Color/Form: White powder
Density: 1.3575 (rough estimate)
Boiling Point: 692.7°C at 760 mmHg
Flash Point: 385.2°C
Refractive Index: 1.6100 (estimate)
Solubility: 1 M HCl: 50?mg/mL, clear to very faintly turbid, yellow
PSA: 138.03000
LogP: 1.65040
Solubility: Soluble in water, insoluble in methanol, chloroform, benzene.

cefaclor Security Information

Signal Word：Warning
Hazard Statement： H317
Warning Statement： P261-P280
WGK Germany：2
Hazard Category Code： R42/43
Safety Instruction： S22-S36/37-S45
RTECS：XI0363000
Hazardous Material Identification：
Storage Condition：Powder -20°C 3 years ? 4°C 2 years In solvent -80°C 6 months ? -20°C 1 month
Safety Term：S22;S36/37;S45
Risk Phrases：R42/43

cefaclor Customs Data

HS CODE：3003201500
Customs Data：

China Customs Code:
3003201500

cefaclor Pricemore >>

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MedChemExpress	HY-B0198-10mM*1mLinDMSO	Cefaclor	53994-73-3	99.53%	10mM*1mLinDMSO	￥550	2022-05-18
MedChemExpress	HY-B0198-500mg	Cefaclor	53994-73-3	99.61%	500mg	￥500	2025-04-16
MedChemExpress	HY-B0198-1g	Cefaclor	53994-73-3	99.61%	1g	￥700	2025-04-16
MedChemExpress	HY-B0198-5g	Cefaclor	53994-73-3	99.61%	5g	￥1600	2025-04-16
HE FEI BO MEI SHENG WU KE JI YOU XIAN ZE REN GONG SI	TC7289-1g	cefaclor	53994-73-3	≥99%	1g	￥180.00元	2023-09-15
HE FEI BO MEI SHENG WU KE JI YOU XIAN ZE REN GONG SI	TC7289-5g	cefaclor	53994-73-3	≥99%	5g	￥540.00元	2023-09-15
ChemScence	CS-2134-500mg	Cefaclor	53994-73-3	99.53%	500mg	$50.0	2022-04-27
ChemScence	CS-2134-1g	Cefaclor	53994-73-3	99.53%	1g	$72.0	2022-04-27
ChemScence	CS-2134-5g	Cefaclor	53994-73-3	99.53%	5g	$192.0	2022-04-27
Chemenu	CM186631-10g	Cefaclor	53994-73-3	95+%	10g	$234	2021-08-05

cefaclor Production Method

cefaclor Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd

Gold Member

Audited Supplier

(CAS:53994-73-3)頭孢克羅

Order Number:LE26447950

Stock Status:in Stock

Quantity:25KG,200KG,1000KG

Purity:99%

Pricing Information Last Updated:Friday, 20 June 2025 12:55

Price ($):discuss personally

Email:[email protected]

Zhengzhou Baoyu Pharmaceutical Co., Ltd.

Gold Member

Audited Supplier

(CAS:53994-73-3)Cefaclor

Order Number:LE201

Stock Status:in Stock

Quantity:5KG/1KG/25KG/100KG

Purity:99% HPLC

Pricing Information Last Updated:Thursday, 14 August 2025 14:44

Price ($):negotiated

Email:[email protected]

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Bo Cao,Yin Wei Chem. Commun., 2018,54, 2870-2873
2. An approach to asymmetric synthesis of β-aryl alanines by Pd(0)-catalyzed cross-coupling and cyanate-to-isocyanate rearrangement?

Piotr Szcze?niak,Sebastian Stecko RSC Adv., 2015,5, 30882-30888
3. An aptasensor for the detection of ampicillin in milk using a personal glucose meter

Xixi Li,Nanwei Zhu,Ruohan Li,Qinpu Zhang Anal. Methods, 2020,12, 3376-3381
4. An atlas of endohedral Sc2S cluster fullerenes?

Li-Hua Gan,Rui Wu,Jian-Lei Tian,Patrick W. Fowler Phys. Chem. Chem. Phys., 2017,19, 419-425
5. Acetyl group orientation modulates the electronic ground-state asymmetry of the special pair in purple bacterial reaction centers

P. K. Wawrzyniak,M. T. P. Beerepoot,H. J. M. de Groot,F. Buda Phys. Chem. Chem. Phys., 2011,13, 10270-10279

Related Categories

Solvents and Organic Chemicals Organic Compounds Organic acids and derivatives Carboxylic acids and derivatives Amino acids, peptides, and analogues Amino acids and derivatives

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Cas no 53994-73-3 (cefaclor)