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ChemicalBook >> CAS DataBase List >>LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE)

LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE)

CAS No.
27244-64-0
Chemical Name:
LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE)
Synonyms
6-Hydroxy-L-DOPA;Levodopa Related CoMpound A;(2S)-2-Amino-3-(2,4,5-trihydroxyphenyl)propanoic acid;Topa;Levodopa EP Impurity A;6-oh-dopa;Topaquinone;l-hydroxydopa;Hydroxy-L-dopa;l-6-hydroxydopa
CBNumber:
CB3501432
Molecular Formula:
C9H11NO5
Molecular Weight:
213.19
MDL Number:
MOL File:
27244-64-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:32:03
Product description Number Pack Size Price
Levodopa Related Compound A Pharmaceutical Secondary Standard; Certified Reference Material PHR2095 100mg $691
Levadopa Related Compound A 1361010 50mg $1390
6-Hydroxy-L-DOPA TRC-H941725-25MG 25mg $295
6-Hydroxy-L-DOPA TRC-H941725-250MG 250mg $2262
6-Hydroxy-L-DOPA FH24378 10mg $150
More product size

LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE) Properties

Melting point >190°C (dec.)
Boiling point 515.2±38.0 °C(Predicted)
Density 1.606±0.06 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility Aqueous Acid (Slightly, Sonicated), Water (Slightly, Heated, Sonicated)
pka 2.34±0.25(Predicted)
form Solid
color Brown to Black
Stability Air Sensitive, Hygroscopic
Major Application pharmaceutical (small molecule)
InChI 1S/C9H11NO5/c10-5(9(14)15)1-4-2-7(12)8(13)3-6(4)11/h2-3,5,11-13H,1,10H2,(H,14,15)/t5-/m0/s1
InChIKey YLKRUSPZOTYMAT-YFKPBYRVSA-N
SMILES [N+H3][C@@H](Cc1c(cc(c(c1)O)O)O)C(=O)[O-]
FDA UNII 580PK2O48O
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315
Precautionary statements  P264-P270-P280-P301+P312+P330-P332+P313-P501
WGK Germany  WGK 3
HS Code  2922504500
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Skin Irrit. 2

LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE) price More Price(33)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich PHR2095 Levodopa Related Compound A Pharmaceutical Secondary Standard; Certified Reference Material 27244-64-0 100mg $691 2026-04-30 Buy
Sigma-Aldrich 1361010 Levadopa Related Compound A 27244-64-0 50mg $1390 2026-04-30 Buy
TRC TRC-H941725-25MG 6-Hydroxy-L-DOPA 27244-64-0 25mg $295 2026-06-03 Buy
TRC TRC-H941725-250MG 6-Hydroxy-L-DOPA 27244-64-0 250mg $2262 2026-06-03 Buy
Biosynth FH24378 6-Hydroxy-L-DOPA 27244-64-0 10mg $150 2026-06-04 Buy
Product number Packaging Price Buy
PHR2095 100mg $691 Buy
1361010 50mg $1390 Buy
TRC-H941725-25MG 25mg $295 Buy
TRC-H941725-250MG 250mg $2262 Buy
FH24378 10mg $150 Buy

LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE) Chemical Properties,Uses,Production

Uses

6-Hydroxy-L-DOPA (Levodopa EP Impurity A; Levodopa USP Related Compound A) is the 6-hydroxy derivative of the amino acid L-DOPA (D533751) with neurotoxic properties. Studies show that exogenously administered 6-Hydroxy-L-DOPA is biotransformed by amino acid decarboxylase to the highly potent and catecholamine-selective neurotoxin, 6-Hydroxydopamine. The treatment of 6-Hydroxy-L-DOPA in rats resulted in the stimulation of acetylcholinesterase.

Uses

6-Hydroxy-L-DOPA is the 6-hydroxy derivative of the amino acid L-DOPA (D533751) with neurotoxic properties. Studies show that exogenously administered 6-Hydroxy-L-DOPA is biotransformed by amino acid decarboxylase to the highly potent and catecholamine-selective neurotoxin, 6-Hydroxydopamine. The treatment of 6-Hydroxy-L-DOPA in rats resulted in the stimulation of acetylcholinesterase.

Definition

ChEBI: An L-alpha-amino acid that is L-dopa carrying an additional hydroxy substituent at position 6.

LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE) Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 78)Suppliers
Supplier Tel Email Country ProdList Advantage
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.
+undefined18603013401 jack.lin@sincopharmachem.com China 9996 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14332 58
BOC Sciences
+1-631-485-4226 inquiry@bocsci.com United States 19936 58
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32466 58
Finetech Industry Limited
+86-27-8746-5837 +8619945049750 info@finetechnology-ind.com China 9539 58
Nextpeptide Inc
+86-0571-81612335 +8613336028439 sales@nextpeptide.com China 19908 58
sgtlifesciences pvt ltd
+8617013299288 dj@sgtlifesciences.com China 12373 58
Guangzhou Tosun Pharmaceutical Limited
+86-18124244216 +86-18124244216 info@upharm.cn China 998 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850 market18@leapchem.com China 43333 58
Aladdin Scientific
tp@aladdinsci.com United States 52923 58

LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE) Spectrum

2,5-dihydroxy-l-tyrosine 4,5-trihydroxyphenyl)-3-(l-alanin 6-oh-dopa l-2,4,5-trihydroxyphenylalanine l-6-hydroxydopa l-hydroxydopa LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE) (S)-α-Amino-3,4,6-trihydroxybenzenepropanoic acid 2,4,5-Trihydroxy-L-phenylalanine Topaquinone 3-(3,4,6-Trihydroxyphenyl)-L-alanine Hydroxy-L-dopa 6-Hydroxy-L-DOPA (Levodopa Related CoMpound A) 3-(2,4,5-Trihydroxyphenyl)-L-alanine Levadopa Related Compound A 3-(3,4,6-Tirhydroxyphenyl)-alanine Levodopa Impurity 1 (Levodopa EP Impurity A) 6-Hydroxy L-DOPA (Levadopa Related Compound A) L-Tyrosine, 2,5-dihydroxy- (S)-2-Amino-3-(2,4,5-trihydroxyphenyl)propanoic acid Levodopa EP Impurity A/ Levodopa Related Compound A (2-Hydroxy Levodopa) 2-Hydroxy Levodopa Levodopa Related Compound A ((3-(2,4,5-Trihydroxyphenyl)-L-alanine) or (3-(3,4,6-Trihydroxyphenyl)a (1361010) Topa 6-Hydroxy-L-DOPA (2S)-2-Amino-3-(2,4,5-trihydroxyphenyl)propanoic acid 6-Hydroxydopa, L- Levodopa EP Impurity A Levodopa USP Related Compound A Levodopa EP Impurity A (Levodopa USP Related Compound A, 6-Hydroxy L-DOPA) Levodopa EP Impurity A Levodopa Related CoMpound A 27244-64-0 Amino Acids & Derivatives, Aromatics, Neurochemicals, Pharmaceuticals, Intermediates & Fine Chemicals
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