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1432005

USP

Methylparaben

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Methyl 4-hydroxybenzoate, p-Hydroxybenzoic acid methyl ester, Methyl paraben, NIPAGIN

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About This Item

Linear Formula:
HOC6H4CO2CH3
CAS Number:
99-76-3
Molecular Weight:
152.15
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750452
MDL number:
MFCD00002352
Beilstein/REAXYS Number:
509801
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grade

pharmaceutical primary standard

API family

parabens

manufacturer/tradename

USP

mp

125-128 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

COC(=O)c1ccc(O)cc1

InChI

1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3

InChI key

LXCFILQKKLGQFO-UHFFFAOYSA-N

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Methylparaben USP reference standard for specified quality tests and assay use only.

Also used to prepare the standard, standard stock, system suitability, and system suitability stock solutions for assay, identification, and performance test according to the given below monographs of United States Pharmacopeia (USP):
  • Methylparaben
  • Methylparaben Sodium
  • Dexamethasone Oral Solution
  • Ethylparaben Sodium
  • Benzaldehyde

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

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pictograms

Environment
GHS09

hcodes

H411

Hazard Classifications

Aquatic Chronic 2

flash_point_f

334.4 °F

flash_point_c

168 °C

Storage Class

11 - Combustible Solids

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Methylparaben
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 36(5), 5886-5886 (2020)
Dexamethasone Oral Solution
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 43(6), 1288-1288 (2014)
Ethylparaben Sodium
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 41(1), 5773-5773 (2016)
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