N-Acetyl-L-histidine Monohydrate - ≥99% , CAS No.39145-52-3

CAS: 39145-52-3 Cat. No.: A105964 Molecular Weight: 215.21 PubChem CID: 2724380
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GRADE & PURITY ≥99%
Synonyms
A-Acetyl-L-histidine monohydrate | SCHEMBL6933673 | Nalpha-Acetyl-L-Histidine H2O | SCHEMBL8680774 | AKOS037748826 | N-Acetyl-L-histidine Monohydrate | Ac-His-OH H2O | FD21676 | N-Acetyl-L-histidine hydrate | (2S)-2-acetamido-3-(1H-imidazol-5-yl)propanoic
Storage
Room temperature
Shipped In
Normal
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A105964-1g
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A105964-5g
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25g
A105964-25g
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100g
A105964-100g
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
A-Acetyl-L-histidine monohydrate | SCHEMBL6933673 | Nalpha-Acetyl-L-Histidine H2O | SCHEMBL8680774 | AKOS037748826 | N-Acetyl-L-histidine Monohydrate | Ac-His-OH H2O | FD21676 | N-Acetyl-L-histidine hydrate | (2S)-2-acetamido-3-(1H-imidazol-5-yl)propanoic
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488192271
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488192271
Canonical SmilesCC(=O)NC(CC1=CN=CN1)C(=O)O.O
IUPAC Name(2S)-2-acetamido-3-(1H-imidazol-5-yl)propanoic acid;hydrate
InChIKeyPSWSDQRXCOJSFC-FJXQXJEOSA-N
INCHI1S/C8H11N3O3.H2O/c1-5(12)11-7(8(13)14)2-6-3-9-4-10-6;/h3-4,7H,2H2,1H3,(H,9,10)(H,11,12)(H,13,14);1H2/t7-;/m0./s1
Isomeric SMILES CC(=O)N[C@@H](CC1=CN=CN1)C(=O)O.O
Alternate CAS 2497-02-1
PubChem CID 2724380
Molecular Weight 215.21
Reaxy-Rn 85669

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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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 ParentHistidine and derivatives
Alternative Parents N-acyl-L-alpha-amino acids  Imidazolyl carboxylic acids and derivatives  Heteroaromatic compounds  Acetamides  Secondary carboxylic acid amides  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Histidine or derivatives - N-acyl-alpha-amino acid - N-acyl-alpha amino acid or derivatives - N-acyl-l-alpha-amino acid - Imidazolyl carboxylic acid derivative - Azole - Imidazole - Heteroaromatic compound - Acetamide - Carboxamide group - Secondary carboxylic acid amide - Monocarboxylic acid or derivatives - Carboxylic acid - Organoheterocyclic compound - Azacycle - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as histidine and derivatives. These are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

8 results found

Lot NumberCertificate TypeDateItem
I1726026Certificate of AnalysisApr 02, 2025 A105964
K2317414Certificate of AnalysisNov 07, 2023 A105964
K2317429Certificate of AnalysisNov 07, 2023 A105964
K2317430Certificate of AnalysisNov 07, 2023 A105964
K2317435Certificate of AnalysisNov 07, 2023 A105964
L1510053Certificate of AnalysisAug 14, 2023 A105964
B2324084Certificate of AnalysisMar 01, 2023 A105964
B2324093Certificate of AnalysisMar 01, 2023 A105964
Chemical and Physical Properties
Specific Rotation[α]46.5 ° (C=1, H2O)
Melt Point(°C)157-159°C
Molecular Weight215.210 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass215.091 Da
Monoisotopic Mass215.091 Da
Topological Polar Surface Area96.100 Ų
Heavy Atom Count15
Formal Charge0
Complexity232.000
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 Count2
Citations of This Product
References
1. Minming Wu, Zhaoyu Cao, Yunfei Zhao, Rong Zeng, Mei Tu, Jianhao Zhao.  (2016)  Novel self-assembled pH-responsive biomimetic nanocarriers for drug delivery.  Materials Science & Engineering C-Materials for Biological Applications,      [PMID:27127063] [10.1016/j.msec.2016.03.099]
Solution Calculators
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