Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Doxycycline EP Impurity C

Synonyms: 4-Epi Doxycycline Hydrochloride · Doxycycline Hyclate - Impurity C · 4-Epidoxycycline · 4-epi-Doxycycline

CAS No.6543-77-7
FormulaC22H24N2O8
Mol. weight444.40
Catalogue No.VQ-022444
PurityReference Standard
HSN38229090

Doxycycline EP Impurity C (CAS 6543-77-7) – Doxycycline impurity standard. C22H24N2O8, MW 444.4. Buy from Vaqora Chemicals with COA and worldwide shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Doxycycline EP Impurity C

Doxycycline EP Impurity C (CAS 6543-77-7) is a pharmacopeial impurity of Doxycycline offered by Vaqora Chemicals. Its molecular formula is C22H24N2O8 and its molecular weight is 444.4 g/mol. Common synonyms include 4-Epi Doxycycline Hydrochloride and Doxycycline Hyclate - Impurity C.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Doxycycline to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Doxycycline EP Impurity C 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 Doxycycline

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

Doxycycline impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameDoxycycline EP Impurity C
Catalogue No.VQ-022444
CAS Number6543-77-7
IUPAC name(4R,4aR,5S,5aR,6R,12aR)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide
Molecular formulaC22H24N2O8
Molecular weight444.4 g/mol
Exact mass444.1533
GradeReference Standard
HSN code38229090
InChIKeySGKRLCUYIXIAHR-NLJUDYQYSA-N
SMILESC[C@@H]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
PubChem CID54676637
Physical properties
Physical formSolid
LogP (XLogP3)-0.7
H-bond donors / acceptors6 / 9
TPSA182 Ų
Synonyms4-Epi Doxycycline Hydrochloride, Doxycycline Hyclate - Impurity C, 4-Epidoxycycline, 4-epi-Doxycycline, 4-Epioxytetracycline, 6-deoxy-, Doxycycline Impurity 8

Documents

Frequently asked questions

What is the CAS number of Doxycycline EP Impurity C?

The CAS Registry Number of Doxycycline EP Impurity C is 6543-77-7. It is also known as 4-Epi Doxycycline Hydrochloride, Doxycycline Hyclate - Impurity C, 4-Epidoxycycline.

What is the molecular formula and molecular weight of Doxycycline EP Impurity C?

Doxycycline EP Impurity C has the molecular formula C22H24N2O8 and a molecular weight of 444.4 g/mol. Its IUPAC name is (4R,4aR,5S,5aR,6R,12aR)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide.

What is Doxycycline EP Impurity C used for?

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

We supply Doxycycline EP Impurity C 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 Doxycycline EP Impurity C?

Yes. Every lot of Doxycycline EP Impurity C 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 Doxycycline EP Impurity C be shipped internationally?

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

Enquire about Doxycycline EP Impurity C

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

Reference Standard
6-Epidoxycycline chemical structure
6-Epidoxycycline
CAS
3219-99-6
Formula
C22H24N2O8
MW
444.4 g/mol
VQ-022443
Reference Standard
Doxycycline Hyclate chemical structure
Doxycycline Hyclate
CAS
24390-14-5
Formula
C46H58Cl2N4O18
MW
1025.9 g/mol
VQ-025403

More in Pharmacopeial Impurities (EP / USP / BP) →