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Pharmacopeial Impurities (EP / USP / BP)

Doxycycline EP Impurity E

Reference StandardAvailable on request

Order Doxycycline EP Impurity E (CAS 79-57-2) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021476.

Pack sizes
Doxycycline EP Impurity E chemical structure
CAS number79-57-2
FormulaC22H24N2O9
Molar mass460.4 g/mol
Physical formSolid
HS code38229090
InChIKeyOWFJMIVZYSDULZ-PXOLEDIWSA-N
IUPAC name(4S,4aR,5S,5aR,6S,12aR)-4-(dimethylamino)-1,5,6,10,11,12a-hexahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide

About Doxycycline EP Impurity E

Analytical teams working on Doxycycline use Doxycycline EP Impurity E as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 79-57-2, formula C22H24N2O9 and molar mass 460.4 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

It carries the GHS signal word Warning (H315, H319, H335 and H361), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Doxycycline

See every impurity, metabolite and related compound we list for this API.

Doxycycline standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Doxycycline EP Impurity E
Product nameDoxycycline EP Impurity E
Catalogue numberZX-021476
CAS number79-57-2
IUPAC name(4S,4aR,5S,5aR,6S,12aR)-4-(dimethylamino)-1,5,6,10,11,12a-hexahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide
Molecular formulaC22H24N2O9
Molar mass460.4 g/mol
Exact mass460.1482
GradeReference Standard
Physical formSolid
XLogP3-1.6
H-bond donors / acceptors7 / 10
Topological polar surface area202 Ų
HS code38229090
InChIKeyOWFJMIVZYSDULZ-PXOLEDIWSA-N
SMILESC[C@@]1([C@H]2[C@@H]([C@H]3[C@@H](C(=O)C(=C([C@]3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)O)C(=O)N)N(C)C)O)O
PubChem CID54675779
SynonymsOxytetracycline, Doxycycline Hyclate - Impurity E, Terramycin, Oxymycin, Oxytetracyclin, Oxyterracine, Ryomycin, Oxitetracyclin, Terramitsin, Adamycin, Riomitsin, Oxytetracycline (anhydrous)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child
  • H362May cause harm to breast-fed children
  • H410Very toxic to aquatic life with long lasting effects
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P203, P260, P261, P263, P264, P264 + P265, P270, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Doxycycline EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Doxycycline EP Impurity E

Which CAS number identifies Doxycycline EP Impurity E?
Doxycycline EP Impurity E is registered under CAS 79-57-2. You may also see it listed as Oxytetracycline, Doxycycline Hyclate - Impurity E, Terramycin. Our catalogue number for this item is ZX-021476.
What are the formula and molar mass of Doxycycline EP Impurity E?
For Doxycycline EP Impurity E, its formula is C22H24N2O9 and its molar mass is 460.4 g/mol. The systematic (IUPAC) name is (4S,4aR,5S,5aR,6S,12aR)-4-(dimethylamino)-1,5,6,10,11,12a-hexahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide. InChIKey OWFJMIVZYSDULZ-PXOLEDIWSA-N lets you match it in any structure database.
How is Doxycycline EP Impurity E used in pharmaceutical QC?
Doxycycline EP Impurity E is a characterised reference material linked to Doxycycline. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Doxycycline EP Impurity E?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Doxycycline EP Impurity E?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Doxycycline EP Impurity E to my country?
Yes. Because Doxycycline EP Impurity E is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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