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API Process Intermediates & Related Compounds

2-Methyl-4-Nitrobenzoic Acid

Reference StandardIn stock

Order 2-Methyl-4-Nitrobenzoic Acid (CAS 1975-51-5) online at Zemixal: C8H7NO4, COA and SDS with every lot, worldwide shipping.

Pack sizes
2-Methyl-4-Nitrobenzoic Acid chemical structure
CAS number1975-51-5
FormulaC8H7NO4
Molar mass181.15 g/mol
Physical formSolid
Purity99.43%
InChIKeyXXXOBNJIIZQSPT-UHFFFAOYSA-N
IUPAC name2-methyl-4-nitrobenzoic acid

About 2-Methyl-4-Nitrobenzoic Acid

2-Methyl-4-Nitrobenzoic Acid is part of the Zemixal API Process Intermediates & Related Compounds range. Identity at a glance (Reference Standard): CAS 1975-51-5, formula C8H7NO4 and molar mass 181.15 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Storage and safety notes

It carries the GHS signal word Warning (H302, H315, H317 and H319), 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 batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Tolvaptan

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

Tolvaptan standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Specifications and identifiers

Specifications of 2-Methyl-4-Nitrobenzoic Acid
Product name2-Methyl-4-Nitrobenzoic Acid
Catalogue numberZX-012023
CAS number1975-51-5
IUPAC name2-methyl-4-nitrobenzoic acid
Molecular formulaC8H7NO4
Molar mass181.15 g/mol
Exact mass181.0375
GradeReference Standard
Purity / assay99.43%
Physical formSolid
XLogP31.6
H-bond donors / acceptors1 / 4
Topological polar surface area83.1 Ų
InChIKeyXXXOBNJIIZQSPT-UHFFFAOYSA-N
SMILESCC1=C(C=CC(=C1)[N+](=O)[O-])C(=O)O
PubChem CID74790
Synonyms4-Nitro-2-methylbenzoic Acid, 4-Nitro-o-toluic Acid, Benzoic acid, 2-methyl-4-nitro-, 2-Methyl-4-nitro-benzoic acid, 2-Methyl-4-nitrobenzoicacid, 2-Methyl-4-nitrobenzic acid, 2-Methyl-4-nitrobenzoic a, 2-methyl4-nitrobenzoic acid, 4-Nitro-2-methyl-benzoic acid, 2-methyl-4-nitrobenzoic acid (en), 2-Methyl-4-nitrobenzoic acid, 97%

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

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, 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 2-Methyl-4-Nitrobenzoic Acid
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 2-Methyl-4-Nitrobenzoic Acid

Which CAS number identifies 2-Methyl-4-Nitrobenzoic Acid?
2-Methyl-4-Nitrobenzoic Acid is registered under CAS 1975-51-5. You may also see it listed as 4-Nitro-2-methylbenzoic Acid, 4-Nitro-o-toluic Acid, Benzoic acid, 2-methyl-4-nitro-. Our catalogue number for this item is ZX-012023.
What are the formula and molar mass of 2-Methyl-4-Nitrobenzoic Acid?
For 2-Methyl-4-Nitrobenzoic Acid, its formula is C8H7NO4 and its molar mass is 181.15 g/mol. The systematic (IUPAC) name is 2-methyl-4-nitrobenzoic acid. InChIKey XXXOBNJIIZQSPT-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Methyl-4-Nitrobenzoic Acid used in pharmaceutical QC?
2-Methyl-4-Nitrobenzoic Acid is a characterised reference material linked to Tolvaptan. 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 2-Methyl-4-Nitrobenzoic Acid?
This listing is Reference Standard grade with 99.43% purity. 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 2-Methyl-4-Nitrobenzoic Acid?
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 2-Methyl-4-Nitrobenzoic Acid to my country?
Yes. Because 2-Methyl-4-Nitrobenzoic Acid 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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