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ChemicalBook >> CAS DataBase List >> DL-Tyrosine

DL-Tyrosine

$11 - $2810
Product name: DL-Tyrosine
CAS: 556-03-6
MF: C9H11NO3
MW: 181.19
EINECS:209-113-1
MDL Number:MFCD00063074
Synonyms:(±)-3-(p-Hydroxyphenyl)alanine;rac-(R*)-2-Amino-3-(p-hydroxyphenyl)propionic acid;DL-Tyrosine,99%;DL-TYROSINE extrapure CHR;(±)-2-Amino-3-(4-hydroxyphenyl)propionic acid, 3-(4-Hydroxyphenyl)-DL-alanine;(à)-2-Amino-3-(4-hydroxyphenyl)propionic acid;DL-α-AMino-β-p-hydroxyphenylpropionic acid;DL-Tyrosine, 99% 25GR

Price72 Properties Safety Information Description

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aablocks
Acrotein
Activate Scientific
AHH
AK Scientific
American Custom Chemicals Corporation
Apolloscientific
Biosynth
Cayman Chemical
Chem-Impex
ChemScene
Crysdot
Frontier Specialty Chemicals
JR MediChem
Matrix Scientific
Sigma-Aldrich
Synthonix
TCI Chemical
Thermo Scientific Chemicals
TRC
Usbiological

Package

50MG
100MG
500mg
1g
2.500g
5g
10g
25g
0.025kg
50g
100g
250g
500g
1kg
1000g
2.5kg
10kg

Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine ≥98%
Packaging5g
Price$11
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine >98%
Packaging10g
Price$15
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine 95%
Packaging25g
Price$29
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine ≥98%
Packaging50g
Price$42
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine 95%
Packaging100g
Price$63
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine 95%
Packaging1kg
Price$285
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine 95%
Packaging500g
Price$174
Updated2026-05-28
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Manufactureraablocks
Product numberAA003PRY
Product descriptionDL-Tyrosine ≥98%
Packaging250g
Price$144
Updated2026-05-28
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ManufacturerAcrotein
Product numberNA-0454
Product descriptionDL-Tyrosine 97%
Packaging100g
Price$59.59
Updated2026-05-25
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ManufacturerAcrotein
Product numberNA-0454
Product descriptionDL-Tyrosine 97%
Packaging250g
Price$119.16
Updated2026-05-25
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ManufacturerAcrotein
Product numberNA-0454
Product descriptionDL-Tyrosine 97%
Packaging25g
Price$22
Updated2026-05-25
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ManufacturerActivate Scientific
Product numberAS92690
Product descriptionDL-Tyrosine 97%
Packaging5g
Price$20
Updated2026-06-04
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ManufacturerActivate Scientific
Product numberAS92690
Product descriptionDL-Tyrosine 97%
Packaging25g
Price$37
Updated2026-06-04
Buy

ManufacturerActivate Scientific
Product numberAS92690
Product descriptionDL-Tyrosine 97%
Packaging100g
Price$129
Updated2026-06-04
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ManufacturerAHH
Product numberMT-11544
Product descriptionH-DL-Tyr-OH 97%
Packaging1000g
Price$275
Updated2026-05-26
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ManufacturerAK Scientific
Product numberC693
Product descriptionDL-Tyrosine 98%
Packaging25g
Price$42
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA003PRY	DL-Tyrosine ≥98%	5g	$11	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine >98%	10g	$15	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine 95%	25g	$29	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine ≥98%	50g	$42	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine 95%	100g	$63	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine 95%	1kg	$285	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine 95%	500g	$174	2026-05-28	Buy
aablocks	AA003PRY	DL-Tyrosine ≥98%	250g	$144	2026-05-28	Buy
Acrotein	NA-0454	DL-Tyrosine 97%	100g	$59.59	2026-05-25	Buy
Acrotein	NA-0454	DL-Tyrosine 97%	250g	$119.16	2026-05-25	Buy
Acrotein	NA-0454	DL-Tyrosine 97%	25g	$22	2026-05-25	Buy
Activate Scientific	AS92690	DL-Tyrosine 97%	5g	$20	2026-06-04	Buy
Activate Scientific	AS92690	DL-Tyrosine 97%	25g	$37	2026-06-04	Buy
Activate Scientific	AS92690	DL-Tyrosine 97%	100g	$129	2026-06-04	Buy
AHH	MT-11544	H-DL-Tyr-OH 97%	1000g	$275	2026-05-26	Buy
AK Scientific	C693	DL-Tyrosine 98%	25g	$42	2026-06-04	Buy

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Properties

Melting point :≥300 °C (lit.)
Boiling point :314.29°C (rough estimate)
Density :1.2375 (rough estimate)
refractive index :1.5270 (estimate)
storage temp. :Store at RT.
solubility :Aqueous Acid (Slightly), Methanol (Slightly), Water (Slightly)
pka :pK1:2.18(+1);pK2:9.11(0);pK3:10.6(OH) (25°C)
form :Crystalline
color :White to Off-White
Water Solubility :Soluble in water.
ex/em :λex 275 nm; λem 303 nm in H2O, PO4 buffer
Merck :14,9839
BRN :515881
Stability :Stable. Incompatible with strong oxidizing agents.
Major Application :peptide synthesis
Cosmetics Ingredients Functions :SKIN CONDITIONING
FRAGRANCE
ANTISTATIC
HAIR CONDITIONING InChI :1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)
InChIKey :OUYCCCASQSFEME-UHFFFAOYSA-N
SMILES :NC(Cc1ccc(O)cc1)C(O)=O
LogP :-0.418 (est)
CAS DataBase Reference :556-03-6(CAS DataBase Reference)
NIST Chemistry Reference :2-Amino-3-(4-hydroxyphenyl)-propanoic acid(556-03-6)
EPA Substance Registry System :Tyrosine (556-03-6)

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.
P304+P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405	Store locked up.

Description

The tyrosine of this diet was labeled by adding to it an amount of synthetic, isotopic dl-tyrosine cor- responding to twice that already present in the food. Incorporation of total C14 into muscle protein was reduced in 186-day infected mice fed dl-tyrosine-2-C-14 as compared to muscle proteins obtained from noninfected animals.

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Suppliers and manufacturers

Shanghai Hanhong Scientific Co.,Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar Sichuan Tongsheng Amino acids Co.,Ltd. TCI (Shanghai) Development Co., Ltd. Beijing HwrkChemical Technology Co., Ltd Energy Chemical Capot Chemical Co., Ltd Beijing Ouhe Technology Co., Ltd

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DL-Tyrosine

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