Ceftazidime EP Impurity E

Name: Ceftazidime EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-021107

About Ceftazidime EP Impurity E

Ceftazidime EP Impurity E is a pharmacopeial impurity of Ceftazidime carrying the CAS registry number 102772-66-7. Its molecular formula is C26H30N6O7S2 and its molecular weight is 602.7 g/mol. Common synonyms include Ceftazidime Pentahydrate - Impurity E and Ceftazidime t-Butyl Ester.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Ceftazidime to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ceftazidime EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Ceftazidime

View every impurity, metabolite and intermediate we list for Ceftazidime.

Ceftazidime impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ceftazidime EP Impurity E
Catalogue No.	VQ-021107
CAS Number	102772-66-7
IUPAC name	(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Molecular formula	C₂₆H₃₀N₆O₇S₂
Molecular weight	602.7 g/mol
Exact mass	602.1617
Grade	Reference Standard
HSN code	38229090
InChIKey	KRTGQDGIPNXUGP-ZLQBWVSZSA-N
SMILES	CC(C)(C)OC(=O)C(C)(C)O/N=C(/C1=CSC(=N1)N)\C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)C[N+]4=CC=CC=C4)C(=O)[O-]
PubChem CID	13673468

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	2 / 12
TPSA	234 Å²
Synonyms	Ceftazidime Pentahydrate - Impurity E, Ceftazidime t-Butyl Ester, tert-Butyl ceftazidime, Ceftazidime Impurity E, Ceftazidime tert-butyl ester

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H228Flammable solid
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P260, P261, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P370 + P378, P391, P403, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ceftazidime EP Impurity E?

The CAS Registry Number of Ceftazidime EP Impurity E is 102772-66-7. It is also known as Ceftazidime Pentahydrate - Impurity E, Ceftazidime t-Butyl Ester, tert-Butyl ceftazidime.

What is the molecular formula and molecular weight of Ceftazidime EP Impurity E?

Ceftazidime EP Impurity E has the molecular formula C26H30N6O7S2 and a molecular weight of 602.7 g/mol.

What is Ceftazidime EP Impurity E used for?

Ceftazidime EP Impurity E is supplied as a characterised reference material related to Ceftazidime. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ceftazidime EP Impurity E can I order?

We supply Ceftazidime EP Impurity E in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ceftazidime EP Impurity E?

Yes. Every lot of Ceftazidime EP Impurity E is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ceftazidime EP Impurity E be shipped internationally?

Yes. Ceftazidime EP Impurity E is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.