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API Process Intermediates & Related Compounds

Monoethyl Ester Phthalic Acid

Reference StandardIn stock

Monoethyl Ester Phthalic Acid (CAS 2306-33-4) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-012629.

Pack sizes
Monoethyl Ester Phthalic Acid chemical structure
CAS number2306-33-4
FormulaC10H10O4
Molar mass194.18 g/mol
Physical formSolid
InChIKeyYWWHKOHZGJFMIE-UHFFFAOYSA-N
IUPAC name2-ethoxycarbonylbenzoic acid

About Monoethyl Ester Phthalic Acid

Zemixal supplies Monoethyl Ester Phthalic Acid within its pharma Intermediates & Building Blocks portfolio. Key data (Reference Standard): CAS 2306-33-4, formula C10H10O4 and molar mass 194.18 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

It carries the GHS signal word Warning (H361, H400 and H410), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 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 Mycophenolate Mofetil

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

Mycophenolate Mofetil standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Monoethyl Ester Phthalic Acid
Product nameMonoethyl Ester Phthalic Acid
Catalogue numberZX-012629
CAS number2306-33-4
IUPAC name2-ethoxycarbonylbenzoic acid
Molecular formulaC10H10O4
Molar mass194.18 g/mol
Exact mass194.0579
GradeReference Standard
Physical formSolid
XLogP31.8
H-bond donors / acceptors1 / 4
Topological polar surface area63.6 Ų
InChIKeyYWWHKOHZGJFMIE-UHFFFAOYSA-N
SMILESCCOC(=O)C1=CC=CC=C1C(=O)O
PubChem CID75318
Synonyms2-(Ethoxycarbonyl)benzoic acid, Ethyl 2-carboxybenzoate, 1,2-Benzenedicarboxylic Acid Monoethyl Ester, 1,2-Benzenedicarboxylic Acid 1-Ethyl Ester, Monoethyl Phthalate, Phthalic Acid Monoethyl Ester, Phthalic acid, monoethyl ester, 1,2-Benzenedicarboxylic acid, monoethyl ester, 1,2-Benzenecarboxylic acid, monoethyl ester, monoethylphthalate, mono-ethyl phthalate, starbld0016608

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P273, P280, P318, P391, 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 Monoethyl Ester Phthalic Acid
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Monoethyl Ester Phthalic Acid

Which CAS number identifies Monoethyl Ester Phthalic Acid?
Monoethyl Ester Phthalic Acid is registered under CAS 2306-33-4. You may also see it listed as 2-(Ethoxycarbonyl)benzoic acid, Ethyl 2-carboxybenzoate, 1,2-Benzenedicarboxylic Acid Monoethyl Ester. Our catalogue number for this item is ZX-012629.
What are the formula and molar mass of Monoethyl Ester Phthalic Acid?
For Monoethyl Ester Phthalic Acid, its formula is C10H10O4 and its molar mass is 194.18 g/mol. The systematic (IUPAC) name is 2-ethoxycarbonylbenzoic acid. InChIKey YWWHKOHZGJFMIE-UHFFFAOYSA-N lets you match it in any structure database.
How is Monoethyl Ester Phthalic Acid used in pharmaceutical QC?
Monoethyl Ester Phthalic Acid is a characterised reference material linked to Mycophenolate Mofetil. 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 Monoethyl Ester Phthalic Acid?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Monoethyl Ester Phthalic 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 Monoethyl Ester Phthalic Acid to my country?
Yes. Because Monoethyl Ester Phthalic 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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