Entacapone EP Impurity C

Name: Entacapone EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-022530

About Entacapone EP Impurity C

Vaqora Chemicals supplies Entacapone EP Impurity C, a pharmacopeial impurity of Entacapone registered under CAS number 116313-85-0. With the molecular formula C7H5NO5, it has a molar mass of 183.12 g/mol. The IUPAC name is 3,4-dihydroxy-5-nitrobenzaldehyde. It is also known as 3,4-Dihydroxy-5-nitro benzaldehyde or Entacapone - Impurity C.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Entacapone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Entacapone 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 Entacapone

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

Entacapone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Entacapone EP Impurity C
Catalogue No.	VQ-022530
CAS Number	116313-85-0
IUPAC name	3,4-dihydroxy-5-nitrobenzaldehyde
Molecular formula	C₇H₅NO₅
Molecular weight	183.12 g/mol
Exact mass	183.0168
Grade	Reference Standard
HSN code	38229090
InChIKey	BBFJODMCHICIAA-UHFFFAOYSA-N
SMILES	C1=C(C=C(C(=C1[N+](=O)[O-])O)O)C=O
PubChem CID	5748957

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	2 / 5
TPSA	103 Å²
Synonyms	3,4-Dihydroxy-5-nitro benzaldehyde, Entacapone - Impurity C, Benzaldehyde, 3,4-dihydroxy-5-nitro-, DHNB compound, 3,4-Dihydroxy-5-nitrobenzaldehdye, 3,4-Dihydroxy-5-nitro-benzaldehyde, 3,4-dihydroxy5-nitrobenzaldehyde, 3,4-dihydroxy-5-nitrobenz-aldehyde, 5-Carboxo-3-nitrocatechol, 3,4-dihydroxy 5-nitrobenzaldehyde, 3,4-dihydroxy-5-nitrobenzaidehyde, 3.4-dihydroxy-5-nitrobenzaldehyde

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H318Causes serious eye damage

Precautionary statements: P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P302 + P352, P305 + P354 + P338, P317, P321, P330, P333 + P317, P362 + P364, 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 Entacapone EP Impurity C?

The CAS Registry Number of Entacapone EP Impurity C is 116313-85-0. It is also known as 3,4-Dihydroxy-5-nitro benzaldehyde, Entacapone - Impurity C, Benzaldehyde, 3,4-dihydroxy-5-nitro-.

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

Entacapone EP Impurity C has the molecular formula C7H5NO5 and a molecular weight of 183.12 g/mol. Its IUPAC name is 3,4-dihydroxy-5-nitrobenzaldehyde.

What is Entacapone EP Impurity C used for?

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

We supply Entacapone 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 Entacapone EP Impurity C?

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

Yes. Entacapone EP Impurity C 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.