Oxytetracycline EP Impurity D

About Oxytetracycline EP Impurity D

Oxytetracycline EP Impurity D is a pharmacopeial impurity of Oxytetracycline carrying the CAS registry number 18695-01-7. With the molecular formula C22H22N2O8, it has a molar mass of 442.4 g/mol. Common synonyms include Alpha-Apo-oxytetracycline and Oxytetracycline Hydrochloride - Impurity D.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Oxytetracycline 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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Oxytetracycline

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

Oxytetracycline impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Oxytetracycline EP Impurity D
Catalogue No.	VQ-021300
CAS Number	18695-01-7
IUPAC name	(3S,4S,5S)-4-[(1R)-4,5-dihydroxy-9-methyl-3-oxo-1H-benzo[f][2]benzofuran-1-yl]-3-(dimethylamino)-2,5-dihydroxy-6-oxocyclohexene-1-carboxamide
Molecular formula	C₂₂H₂₂N₂O₈
Molecular weight	442.4 g/mol
Exact mass	442.1376
Grade	Reference Standard
HSN code	38229090
InChIKey	DRKMHDAKULCOKQ-MLZJRGSSSA-N
SMILES	CC1=C2C=CC=C(C2=C(C3=C1[C@H](OC3=O)[C@H]4[C@@H](C(=C(C(=O)[C@H]4O)C(=O)N)O)N(C)C)O)O
PubChem CID	76971536

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	5 / 9
TPSA	171 Å²
Synonyms	Alpha-Apo-oxytetracycline, Oxytetracycline Hydrochloride - Impurity D, alpha-Apo-terramycin, .alpha.-apo-Oxytetracycline, alpha-Apooxytetracycline, I+/--Apooxytetracycline, Cefamandole Sodium Impurity 5

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 Oxytetracycline EP Impurity D?

The CAS Registry Number of Oxytetracycline EP Impurity D is 18695-01-7. It is also known as Alpha-Apo-oxytetracycline, Oxytetracycline Hydrochloride - Impurity D, alpha-Apo-terramycin.

What is the molecular formula and molecular weight of Oxytetracycline EP Impurity D?

Oxytetracycline EP Impurity D has the molecular formula C22H22N2O8 and a molecular weight of 442.4 g/mol. Its IUPAC name is (3S,4S,5S)-4-[(1R)-4,5-dihydroxy-9-methyl-3-oxo-1H-benzo[f][2]benzofuran-1-yl]-3-(dimethylamino)-2,5-dihydroxy-6-oxocyclohexene-1-carboxamide.

What is Oxytetracycline EP Impurity D used for?

Oxytetracycline EP Impurity D is supplied as a characterised reference material related to Oxytetracycline. 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 Oxytetracycline EP Impurity D can I order?

We supply Oxytetracycline EP Impurity D 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 Oxytetracycline EP Impurity D?

Yes. Every lot of Oxytetracycline EP Impurity D 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 Oxytetracycline EP Impurity D be shipped internationally?

Yes. We export Oxytetracycline EP Impurity D worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.