Opianic Acid

Name: Opianic Acid
Brand: Vaqora Chemicals
SKU: VQ-049880

About Opianic Acid

Opianic Acid (CAS 519-05-1) is a process intermediate or related compound of Noscapine offered by Vaqora Chemicals. Its molecular formula is C10H10O5 and its molecular weight is 210.18 g/mol. Its systematic (IUPAC) name is 6-formyl-2,3-dimethoxybenzoic acid. Alternative names: 5,6-Dimethoxy-2-formylbenzoic acid and Phthalaldehydic acid, 5,6-dimethoxy-.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Noscapine, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Noscapine

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

Noscapine impurities

Specifications & identifiers

Chemical identifiers
Product name	Opianic Acid
Catalogue No.	VQ-049880
CAS Number	519-05-1
IUPAC name	6-formyl-2,3-dimethoxybenzoic acid
Molecular formula	C₁₀H₁₀O₅
Molecular weight	210.18 g/mol
Exact mass	210.0528
InChIKey	HVXXOIGTXJOVON-UHFFFAOYSA-N
SMILES	COC1=C(C(=C(C=C1)C=O)C(=O)O)OC
PubChem CID	68210

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	1 / 5
TPSA	72.8 Å²
Synonyms	5,6-Dimethoxy-2-formylbenzoic acid, Phthalaldehydic acid, 5,6-dimethoxy-, Benzoic acid, 6-formyl-2,3-dimethoxy-, 5,6-Dimethoxyphthalaldehydic acid, 2,3-Dimethoxy-6-formylbenzoic acid, o-Veratric acid, 6-formyl-, 2-Carboxy-3,4-dimethoxybenzaldehyde, 6-formyl-2,3-dimethoxy-benzoic acid, Benzoic acid, 6-formyl-2,3-dimethoxy, Phthalaldehydic acid,6-dimethoxy-, 6-Formyl- 2,3-dimethoxybenzoic acid, 6-Formyl-2,3-dimethoxybenzoic acid #

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Opianic Acid?

The CAS Registry Number of Opianic Acid is 519-05-1. It is also known as 5,6-Dimethoxy-2-formylbenzoic acid, Phthalaldehydic acid, 5,6-dimethoxy-, Benzoic acid, 6-formyl-2,3-dimethoxy-.

What is the molecular formula and molecular weight of Opianic Acid?

Opianic Acid has the molecular formula C10H10O5 and a molecular weight of 210.18 g/mol. Its IUPAC name is 6-formyl-2,3-dimethoxybenzoic acid.

What is Opianic Acid used for?

Opianic Acid is supplied as a characterised reference material related to Noscapine. 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 Opianic Acid can I order?

We supply Opianic Acid, 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 Opianic Acid?

Yes. Every lot of Opianic Acid 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 Opianic Acid be shipped internationally?

Yes. Opianic Acid 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.