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ChemicalBook >> CAS DataBase List >> DL-Histidine

DL-Histidine

$9 - $7625.2
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

Price73 Properties Safety Information Description

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Brand

aablocks
ACHEMBLOCK
Acrotein
Activate Scientific
AK Scientific
American Custom Chemicals Corporation
ApexBio Technology
Biosynth
Chemenu
Chem-Impex
ChemScene
Crysdot
Frontier Specialty Chemicals
Matrix Scientific
Sigma-Aldrich
TCI Chemical
TRC
Usbiological

Package

25MG
100MG
100.00mg
250MG
500.00mg
500mg
1g
2.5G
2.50g
2.500g
5g
10g
25g
50g
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Manufactureraablocks
Product numberAA006WQH
Product descriptionDL-Histidine 97%
Packaging10g
Price$9
Updated2026-05-28
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Manufactureraablocks
Product numberAA006WQH
Product descriptionDL-Histidine 95%
Packaging25g
Price$19
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA006WQH
Product descriptionDL-Histidine 95%
Packaging100g
Price$41
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberY232161
Product descriptionBACE-IN-1 acetate 97%
Packaging25MG
Price$950
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberY232161
Product descriptionBACE-IN-1 acetate 97%
Packaging100MG
Price$2850
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberY230628
Product descriptionLTX315 acetate 98%
Packaging250MG
Price$2915
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberY230628
Product descriptionLTX315 acetate 98%
Packaging100MG
Price$1740
Updated2026-05-27
Buy

ManufacturerAcrotein
Product numberna-0088
Product descriptionDL-Histidine 97%
Packaging100g
Price$89.29
Updated2026-05-25
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ManufacturerAcrotein
Product numberNA-0088
Product descriptionDL-Histidine 97%
Packaging5g
Price$9.9
Updated2021-12-16
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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

ManufacturerActivate Scientific
Product numberAS103003
Product descriptionDL-Histidine 95%
Packaging25g
Price$60
Updated2021-12-16
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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 numberI452
Product descriptionDL-Histidine 98%(HPLC)
Packaging100g
Price$166
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA006WQH	DL-Histidine 97%	10g	$9	2026-05-28	Buy
aablocks	AA006WQH	DL-Histidine 95%	25g	$19	2026-05-28	Buy
aablocks	AA006WQH	DL-Histidine 95%	100g	$41	2026-05-28	Buy
ACHEMBLOCK	Y232161	BACE-IN-1 acetate 97%	25MG	$950	2026-05-27	Buy
ACHEMBLOCK	Y232161	BACE-IN-1 acetate 97%	100MG	$2850	2026-05-27	Buy
ACHEMBLOCK	Y230628	LTX315 acetate 98%	250MG	$2915	2026-05-27	Buy
ACHEMBLOCK	Y230628	LTX315 acetate 98%	100MG	$1740	2026-05-27	Buy
Acrotein	na-0088	DL-Histidine 97%	100g	$89.29	2026-05-25	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
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	I452	DL-Histidine 98%(HPLC)	100g	$166	2026-06-04	Buy

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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):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

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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Suppliers and manufacturers

career henan chemical co

$11.00
DL-Histidine CAS:4998-57-6

TargetMol Chemicals Inc.

$148.00
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DL-Histidine

Properties

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Description

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