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ChemicalBook >> CAS DataBase List >> DL-Histidine

DL-Histidine

DL-Histidine price.
  • $9.9 - $1363.65
  • Product name: DL-Histidine
  • CAS: 4998-57-6
  • MF: C6H9N3O2
  • MW: 155.15
  • EINECS:225-660-9
  • MDL Number:MFCD00005208
  • Synonyms:1H-Imidazole-4-alanine;D-Histidine/L-histidine,(1:1);rac-(R*)-2-Amino-3-(4-imidazolyl)propionic acid;DL-Histidine,98%;DL-Histdine;H-DL-His-OH (DL-Histidine;DL-Histidine 0;DL-Histidine 
Price42 Properties Safety Information Description
42 prices
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Brand
  • Acrotein
  • Activate Scientific
  • AK Scientific
  • American Custom Chemicals Corporation
  • ApexBio Technology
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 100.00mg
  • 100mg
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  • 500.00mg
  • 1G
  • 2.50g
  • 2.500g
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  • 5g
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  • 500g
  • 1000g
  • 1KG
  • ManufacturerAcrotein
  • Product numberNA-0088
  • Product descriptionDL-Histidine 97%
  • Packaging5g
  • Price$9.9
  • Updated2021-12-16
  • Buy
  • ManufacturerAcrotein
  • Product numberna-0088
  • Product descriptionDL-Histidine 97%
  • Packaging5g
  • Price$9.9
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberNA-0088
  • Product descriptionDL-Histidine 97%
  • Packaging25g
  • Price$29.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAcrotein
  • Product numberna-0088
  • Product descriptionDL-Histidine 97%
  • Packaging25g
  • Price$29.7
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberna-0088
  • Product descriptionDL-Histidine 97%
  • Packaging100g
  • Price$89.29
  • Updated2026-05-25
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS103003
  • Product descriptionDL-Histidine 95%
  • Packaging25g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS103003
  • Product descriptionDL-Histidine 95%
  • Packaging100g
  • Price$154
  • Updated2021-12-16
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS103003
  • Product descriptionDL-Histidine 95%
  • Packaging250g
  • Price$287
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ90438
  • Product descriptionDL-Histidine
  • Packaging100g
  • Price$124
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0119333
  • Product description2-AMINO-3-(1H-IMIDAZOL-4-YL)PROPANOIC ACID 95.00%
  • Packaging1G
  • Price$681.45
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0119333
  • Product description2-AMINO-3-(1H-IMIDAZOL-4-YL)PROPANOIC ACID 95.00%
  • Packaging2.5G
  • Price$1363.65
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberBA9375
  • Product descriptionDL-Histidine
  • Packaging500g
  • Price$168
  • Updated2026-05-06
  • Buy
  • ManufacturerChemenu
  • Product numberCM187298
  • Product description2-Amino-3-(1H-imidazol-4-yl)propanoicacid 97%
  • Packaging1000g
  • Price$404
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM187298
  • Product description2-Amino-3-(1H-imidazol-4-yl)propanoic acid 97%
  • Packaging1000g
  • Price$404
  • Updated2026-05-20
  • Buy
  • ManufacturerChemenu
  • Product numberCM187298
  • Product description2-Amino-3-(1H-imidazol-4-yl)propanoic acid 97%
  • Packaging1000g
  • Price$404
  • Updated2026-05-26
  • Buy
  • ManufacturerChem-Impex
  • Product number01951
  • Product descriptionDL-Histidine ≥98%(Assay)
  • Packaging250G
  • Price$325
  • Updated2026-05-19
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Acrotein NA-0088 DL-Histidine 97% 5g $9.9 2021-12-16 Buy
Acrotein na-0088 DL-Histidine 97% 5g $9.9 2026-05-25 Buy
Acrotein NA-0088 DL-Histidine 97% 25g $29.7 2021-12-16 Buy
Acrotein na-0088 DL-Histidine 97% 25g $29.7 2026-05-25 Buy
Acrotein na-0088 DL-Histidine 97% 100g $89.29 2026-05-25 Buy
Activate Scientific AS103003 DL-Histidine 95% 25g $60 2021-12-16 Buy
Activate Scientific AS103003 DL-Histidine 95% 100g $154 2021-12-16 Buy
Activate Scientific AS103003 DL-Histidine 95% 250g $287 2021-12-16 Buy
AK Scientific J90438 DL-Histidine 100g $124 2021-12-16 Buy
American Custom Chemicals Corporation CHM0119333 2-AMINO-3-(1H-IMIDAZOL-4-YL)PROPANOIC ACID 95.00% 1G $681.45 2021-12-16 Buy
American Custom Chemicals Corporation CHM0119333 2-AMINO-3-(1H-IMIDAZOL-4-YL)PROPANOIC ACID 95.00% 2.5G $1363.65 2021-12-16 Buy
ApexBio Technology BA9375 DL-Histidine 500g $168 2026-05-06 Buy
Chemenu CM187298 2-Amino-3-(1H-imidazol-4-yl)propanoicacid 97% 1000g $404 2021-12-16 Buy
Chemenu CM187298 2-Amino-3-(1H-imidazol-4-yl)propanoic acid 97% 1000g $404 2026-05-20 Buy
Chemenu CM187298 2-Amino-3-(1H-imidazol-4-yl)propanoic acid 97% 1000g $404 2026-05-26 Buy
Chem-Impex 01951 DL-Histidine ≥98%(Assay) 250G $325 2026-05-19 Buy
Next Last

Properties

Melting point :273 °C (dec.)(lit.)
Boiling point :278.95°C (rough estimate)
Density :1.3092 (rough estimate)
refractive index :1.6500 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
solubility :0.5 M HCl: soluble
pka :1.8(at 25℃)
form :powder to crystal
color :White to Almost white
Merck :14,4720
BRN :7800
Major Application :peptide synthesis
Cosmetic Ingredient Review (CIR) :DL-Histidine (4998-57-6)
InChI :1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)
InChIKey :HNDVDQJCIGZPNO-UHFFFAOYSA-N
SMILES :NC(Cc1c[nH]cn1)C(O)=O
CAS DataBase Reference :4998-57-6(CAS DataBase Reference)
EPA Substance Registry System :Histidine (4998-57-6)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

DL-Histidine is the mixed isomer of D- and L-histidine. DL-Histidine may be used to evaluate the efficiency of amino acid chiral ligand exchange media and systems and in running buffers for capillary electrophoresis.

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