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Merck

1530503

USP

L-Phenylalanine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(S)-2-Amino-3-phenylpropionic acid

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About This Item

Linear Formula:
C6H5CH2CH(NH2)CO2H
CAS Number:
63-91-2
Molecular Weight:
165.19
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750813
MDL number:
MFCD00064227
Beilstein/REAXYS Number:
1910408

Key Documents

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SMILES string

N[C@@H](Cc1ccccc1)C(O)=O

InChI key

COLNVLDHVKWLRT-QMMMGPOBSA-N

InChI

1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1

grade

pharmaceutical primary standard

API family

phenylalanine

manufacturer/tradename

USP

mp

270-275 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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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

L-Phenylalanine USP reference standard suitable for use in specified USP compendial quality tests and assays.

Also used to prepare internal standard, standard, Sample, and system suitability solution during the assay and impurity analysis by using liquid chromatography coupled with UV detector according to the given below monographs of United States Pharmacopeia (USP): 
  • Acetylcysteine Solution  
  • Acetylcysteine  
  • Phenylalanine  
  • Glutathione

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.

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

1530503-200MG:

jan

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Phenylalanine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 3509-3509 (2023)
Glutathione
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 41(3), 5054-5054 (2023)
Acetylcysteine Solution
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 49(2), 82-82 (2020)
Acetylcysteine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 49(2), 82-82 (2020)
Kun Li et al.
Journal of the American Chemical Society, 136(32), 11402-11411 (2014-07-24)
Extracellular matrix proteins adsorbed onto mineral surfaces exist in a unique environment where the structure and dynamics of the protein can be altered profoundly. To further elucidate how the mineral surface impacts molecular properties, we perform a comparative study of
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