ac-his-oh h2o

Modify Date: 2026-07-07 17:48:11

ac-his-oh h2o Structure
ac-his-oh h2o structure
Common Name ac-his-oh h2o
CAS Number 39145-52-3 Molecular Weight 215.20700
Density N/A Boiling Point 620.2ºC at 760 mmHg
Molecular Formula C8H13N3O4 Melting Point ca. 157ºC (decomposes)
MSDS N/A Flash Point 328.9ºC

 Use of ac-his-oh h2o


N-Acetyl-L-histidine monohydrate, a histidine derivative, is a prominent biomolecule in brain, retina and lens of poikilothermic vertebrates. N-Acetyl-L-histidine monohydrate has a role as an animal metabolite[1].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name N-Acetyl-L-histidine Monohydrate
Synonym More Synonyms

 ac-his-oh h2o Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description N-Acetyl-L-histidine monohydrate, a histidine derivative, is a prominent biomolecule in brain, retina and lens of poikilothermic vertebrates. N-Acetyl-L-histidine monohydrate has a role as an animal metabolite[1].
Related Catalog
In Vitro N-Acetyl-L-histidine monohydrate (NAH) also exhibits a strong phylogenetic component in that it is a major osmolyte in the brain and eye of teleost (bony) fish, amphibians and reptiles, but is present in much lower amounts in brain and other tissues of homeothermic (endothermic) vertebrates[1].
References

[1]. Morris H Baslow, et al. N-acetyl-L-histidine, a Prominent Biomolecule in Brain and Eye of Poikilothermic Vertebrates. Biomolecules. 2015 Apr 24;5(2):635-46.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Boiling Point 620.2ºC at 760 mmHg
Melting Point ca. 157ºC (decomposes)
Molecular Formula C8H13N3O4
Molecular Weight 215.20700
Flash Point 328.9ºC
Exact Mass 215.09100
PSA 104.31000
Index of Refraction 46.5 ° (C=1, H2O)
InChIKey PSWSDQRXCOJSFC-FJXQXJEOSA-N
SMILES CC(=O)NC(Cc1cnc[nH]1)C(=O)O.O
Storage condition Store at 0-5°C
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility Soluble in water.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Risk Phrases 20/21/22-36/37/38
Safety Phrases 26-28
HS Code 2933290090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933290090
Summary 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

(S)-2-Acetamido-3-(1H-imidazol-4-yl)propanoic acid hydrate
(2S)-2-(Acetylamino)-3-(1H-imidazol-4-yl)propanoic acid hydrate
N-Acetyl-DL-histidine monohydrate
Nalpha-acetyl-DL-histidine hydrate
Ac-His-OH Monohydrate
N-Acetyl-L-histidine Monohydrate
Ac-His-OH.H2O

 ac-his-oh h2o | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of N-Acetyl-L-histidine Monohydrate?
A: Molecular weight of N-Acetyl-L-histidine Monohydrate is 215.20700.
Q: What is the safety information for N-Acetyl-L-histidine Monohydrate?
A: Safety information for N-Acetyl-L-histidine Monohydrate: 26-28.
Q: What is the molecular formula of N-Acetyl-L-histidine Monohydrate?
A: Molecular formula of N-Acetyl-L-histidine Monohydrate is C8H13N3O4.
Q: What is the CAS number of N-Acetyl-L-histidine Monohydrate?
A: CAS number of N-Acetyl-L-histidine Monohydrate is 39145-52-3.
Q: What is the SMILES notation of N-Acetyl-L-histidine Monohydrate?
A: SMILES notation of N-Acetyl-L-histidine Monohydrate is CC(=O)NC(Cc1cnc[nH]1)C(=O)O.O.
Q: What English synonyms does N-Acetyl-L-histidine Monohydrate have?
A: English synonyms of N-Acetyl-L-histidine Monohydrate: (S)-2-Acetamido-3-(1H-imidazol-4-yl)propanoic acid hydrate, (2S)-2-(Acetylamino)-3-(1H-imidazol-4-yl)propanoic acid hydrate, N-Acetyl-DL-histidine monohydrate, Nalpha-acetyl-DL-histidine hydrate, Ac-His-OH Monohydrate, N-Acetyl-L-histidine Monohydrate, Ac-His-OH.H2O.
Q: What is the InChIKey of N-Acetyl-L-histidine Monohydrate?
A: InChIKey of N-Acetyl-L-histidine Monohydrate is PSWSDQRXCOJSFC-FJXQXJEOSA-N.
Q: What is the boiling point of N-Acetyl-L-histidine Monohydrate?
A: Boiling point of N-Acetyl-L-histidine Monohydrate is 620.2ºC at 760 mmHg.
Q: What are the uses of N-Acetyl-L-histidine Monohydrate?
A: Main uses of N-Acetyl-L-histidine Monohydrate: N-Acetyl-L-histidine monohydrate, a histidine derivative, is a prominent biomolecule in brain, retina and lens of poikilothermic vertebrates. N-Acetyl-L-histidine monohydrate has a role as an animal metabolite[1].
Q: What are the storage conditions for N-Acetyl-L-histidine Monohydrate?
A: Storage conditions for N-Acetyl-L-histidine Monohydrate: Store at 0-5°C.

 ac-his-oh h2ofactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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