2-Hydroxy-3-methylbenzaldehyde

About 2-Hydroxy-3-methylbenzaldehyde

2-Hydroxy-3-methylbenzaldehyde is an impurity of Mexiletine carrying the CAS registry number 824-42-0. With the molecular formula C8H8O2, it has a molar mass of 136.15 g/mol. Alternative names: 3-Methylsalicylaldehyde and 3-methyl-2-hydroxybenzaldehyde.

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. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Mexiletine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Mexiletine

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

Mexiletine impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Hydroxy-3-methylbenzaldehyde
Catalogue No.	VQ-049101
CAS Number	824-42-0
IUPAC name	2-hydroxy-3-methylbenzaldehyde
Molecular formula	C₈H₈O₂
Molecular weight	136.15 g/mol
Exact mass	136.0524
Grade	Reference Standard
HSN code	38229090
InChIKey	IPPQNXSAJZOTJZ-UHFFFAOYSA-N
SMILES	CC1=C(C(=CC=C1)C=O)O
PubChem CID	522777

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	3-Methylsalicylaldehyde, 3-methyl-2-hydroxybenzaldehyde, 3-methylsalicylic aldehyde, 2,3-Cresotaldehyde, Benzaldehyde, hydroxy-3-methyl-, Benzaldehyde, 2-hydroxy-3-methyl-, o-Homosalicylaldehyde, 2-Hydroxy-m-tolualdehyde, 2-hydroxyl-3-methylbenzaldehyde, 2,3-Cresotaldehyde, 2-Hydroxy-3-methylbenzaldehyde, 3-Methylsalicylaldehyde

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 2-Hydroxy-3-methylbenzaldehyde?

The CAS Registry Number of 2-Hydroxy-3-methylbenzaldehyde is 824-42-0. It is also known as 3-Methylsalicylaldehyde, 3-methyl-2-hydroxybenzaldehyde, 3-methylsalicylic aldehyde.

What is the molecular formula and molecular weight of 2-Hydroxy-3-methylbenzaldehyde?

2-Hydroxy-3-methylbenzaldehyde has the molecular formula C8H8O2 and a molecular weight of 136.15 g/mol. Its IUPAC name is 2-hydroxy-3-methylbenzaldehyde.

What is 2-Hydroxy-3-methylbenzaldehyde used for?

2-Hydroxy-3-methylbenzaldehyde is supplied as a characterised reference material related to Mexiletine. 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 2-Hydroxy-3-methylbenzaldehyde can I order?

We supply 2-Hydroxy-3-methylbenzaldehyde 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 2-Hydroxy-3-methylbenzaldehyde?

Yes. Every lot of 2-Hydroxy-3-methylbenzaldehyde 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 2-Hydroxy-3-methylbenzaldehyde be shipped internationally?

Yes. 2-Hydroxy-3-methylbenzaldehyde 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.