4-Amino-L-phenylalanine - ≥98% , CAS No.943-80-6

CAS: 943-80-6 Cat. No.: A105992 Molecular Weight: 180.20 EC Number: 633-631-0
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
p-Aminophenylalanine | AM82697 | H-Phe(4-NH2)-OH | MFCD00069927 | p-amino-l-phenylalanine | L-4-NH2-Phe-OH | A844939 | 4-Amino-Phe-OH | (2S)-2-amino-3-(4-aminophenyl)propanoic acid | 4-Amino-L-Phenylalanine | 4-Aminophenylalanine | 4-amino-phenylalanine |
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
A105992-250mg
3
$9.90
1g
A105992-1g
3
$19.90
5g
A105992-5g
3
$39.90
25g
A105992-25g
3
$179.90
100g
A105992-100g
2
$669.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

4-Amino-L-phenylalanine is a metabolic intermediate. 4-Amino-L-phenylalanine can be used in the production of Chloramphenicol and Pristinamycin I in Streptomyces venezuelae and S. pristinaespiralis, respectively.

Specifications

Synonyms
p-Aminophenylalanine | AM82697 | H-Phe(4-NH2)-OH | MFCD00069927 | p-amino-l-phenylalanine | L-4-NH2-Phe-OH | A844939 | 4-Amino-Phe-OH | (2S)-2-amino-3-(4-aminophenyl)propanoic acid | 4-Amino-L-Phenylalanine | 4-Aminophenylalanine | 4-amino-phenylalanine |
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504757344
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757344
Canonical SmilesC1=CC(=CC=C1CC(C(=O)O)N)N
IUPAC Name(2S)-2-amino-3-(4-aminophenyl)propanoic acid
InChIKeyCMUHFUGDYMFHEI-QMMMGPOBSA-N
INCHI1S/C9H12N2O2/c10-7-3-1-6(2-4-7)5-8(11)9(12)13/h1-4,8H,5,10-11H2,(H,12,13)/t8-/m0/s1
Isomeric SMILES C1=CC(=CC=C1C[C@@H](C(=O)O)N)N
Molecular Weight 180.20
Reaxy-Rn 2837287
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2837287&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentPhenylalanine and derivatives
Alternative Parents Phenylpropanoic acids  L-alpha-amino acids  Amphetamines and derivatives  Aniline and substituted anilines  Aralkylamines  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenylalanine or derivatives - 3-phenylpropanoic-acid - Alpha-amino acid - Amphetamine or derivatives - L-alpha-amino acid - Aniline or substituted anilines - Aralkylamine - Monocyclic benzene moiety - Benzenoid - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Organic oxide - Organooxygen compound - Organonitrogen compound - Amine - Primary aliphatic amine - Organic nitrogen compound - Carbonyl group - Organopnictogen compound - Organic oxygen compound - Primary amine - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenylalanine and derivatives. These are compounds containing phenylalanine or a derivative thereof resulting from reaction of phenylalanine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors monocarboxylic acid
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA3 Tclin Carbonic anhydrase III (753 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA6 Tclin Carbonic anhydrase VI (993 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA5B Tclin Carbonic anhydrase VB (957 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA5A Tclin Carbonic anhydrase VA (1168 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA14 Tclin Carbonic anhydrase XIV (1305 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA12 Tclin Carbonic anhydrase XII (6231 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA9 Tclin Carbonic anhydrase IX (8255 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ca7 Carbonic anhydrase VII (3 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA4 Carbonic anhydrase IV (1713 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Carbonic anhydrase (69 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Ca15 Carbonic anhydrase 15 (173 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CAN2 Carbonic anhydrase 2 (140 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot NumberCertificate TypeDateItem
D2609601Certificate of AnalysisMar 10, 2026 A105992
D2609602Certificate of AnalysisMar 10, 2026 A105992
D2610627Certificate of AnalysisMar 10, 2026 A105992
G1816131Certificate of AnalysisFeb 05, 2026 A105992
E1803012Certificate of AnalysisJan 05, 2026 A105992
C2311738Certificate of AnalysisMar 15, 2023 A105992
C2311739Certificate of AnalysisMar 15, 2023 A105992
B2324112Certificate of AnalysisMar 02, 2023 A105992
C2311737Certificate of AnalysisFeb 25, 2023 A105992
E1803011Certificate of AnalysisMar 30, 2022 A105992
Chemical and Physical Properties
SolubilitySoluble in water.
SensitivityAir sensitive
Molecular Weight180.200 g/mol
XLogP3-2.200
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass180.09 Da
Monoisotopic Mass180.09 Da
Topological Polar Surface Area89.300 Ų
Heavy Atom Count13
Formal Charge0
Complexity176.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Weiwei Zheng, Wentao Tian, Xiaojun Liu, Qingquan Zhang, Chenghua Zong, Jia-Ping Lai, Wenfeng Zhao.  (2021)  In situ photochemical deposition of Ag nanoparticles on polyester fiber membranes as flexible SERS substrates for sensitive detection of sodium saccharin in soft drinks.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2021.106003]
2. Binbin Chen, Jiahui Huang, Yingchun Liu, Lirong Yang, Qi Wang, Haoran Yu.  (2025)  Computational Study on the Catalytic Mechanism of UstD Catalyzing the Synthesis of γ-Hydroxy-α-Amino Acids.  Journal of Chemical Information and Modeling,      [PMID:39913657] [10.1021/acs.jcim.4c01998]
Solution Calculators
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