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ChemicalBook >> CAS DataBase List >> (2RS,3RS)-2-Amino-3-(3,4-dihydroxy-phenyl)-3-hydroxy-propionic acid

(2RS,3RS)-2-Amino-3-(3,4-dihydroxy-phenyl)-3-hydroxy-propionic acid

(2RS,3RS)-2-Amino-3-(3,4-dihydroxy-phenyl)-3-hydroxy-propionic acid price.
  • $175 - $2290
  • Product name: (2RS,3RS)-2-Amino-3-(3,4-dihydroxy-phenyl)-3-hydroxy-propionic acid
  • CAS: 3916-18-5
  • MF: C9H11NO5
  • MW: 213.19
  • EINECS:223-480-5
  • MDL Number:MFCD00004266
  • Synonyms:H-DL-SER(3,4-DIHYDROXYPHENYL)-OH;H-DL-BETA-(3,4-DIHYDROXYPHENYL)-DL-SERINE;H-DL-BETA-(3,4-DIHYDROXYPHENYL)-DL-SER-OH;DL-DOPS;DL-THREO-BETA-(3,4-DIHYDROXYPHENYL)SERINE;DL-THREO-DOPS;D,L-(3,4-DIHYDROXYPHENYL)-SERINE;BETA-(3,4-DIHYDROXYPHENYL)-DL-SERINE
Price9 Properties Safety Information Description
9 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • American Custom Chemicals Corporation
  • TRC
  • Usbiological
Package
  • 2.5mg
  • 10mg
  • 25mg
  • 250MG
  • 1G
  • Manufactureraablocks
  • Product numberAA00BY6T
  • Product descriptionDL-threo-Droxidopa
  • Packaging2.5mg
  • Price$271
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00BY6T
  • Product descriptionDL-threo-Droxidopa
  • Packaging10mg
  • Price$696
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00BY6T
  • Product descriptionDL-threo-Droxidopa
  • Packaging25mg
  • Price$1372
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberAD260927
  • Product descriptionrel-(2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid 95%
  • Packaging250MG
  • Price$880
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberAD260927
  • Product descriptionrel-(2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid 95%
  • Packaging1G
  • Price$2290
  • Updated2026-05-27
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAAA0006488
  • Product descriptionBETA-D,L-(3,4-DIHYDROXYPHENYL)-SERINE 95.00%
  • Packaging250MG
  • Price$1871.1
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAAA0006488
  • Product descriptionBETA-D,L-(3,4-DIHYDROXYPHENYL)-SERINE 95.00%
  • Packaging25MG
  • Price$739.2
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberD689950
  • Product descriptionDL-threo-Droxidopa
  • Packaging25mg
  • Price$175
  • Updated2021-12-16
  • Buy
  • ManufacturerUsbiological
  • Product number011003
  • Product descriptionDL-threo-Droxidopa
  • Packaging10mg
  • Price$375
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00BY6T DL-threo-Droxidopa 2.5mg $271 2026-05-28 Buy
aablocks AA00BY6T DL-threo-Droxidopa 10mg $696 2026-05-28 Buy
aablocks AA00BY6T DL-threo-Droxidopa 25mg $1372 2026-05-28 Buy
ACHEMBLOCK AD260927 rel-(2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid 95% 250MG $880 2026-05-27 Buy
ACHEMBLOCK AD260927 rel-(2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid 95% 1G $2290 2026-05-27 Buy
American Custom Chemicals Corporation AAA0006488 BETA-D,L-(3,4-DIHYDROXYPHENYL)-SERINE 95.00% 250MG $1871.1 2021-12-16 Buy
American Custom Chemicals Corporation AAA0006488 BETA-D,L-(3,4-DIHYDROXYPHENYL)-SERINE 95.00% 25MG $739.2 2021-12-16 Buy
TRC D689950 DL-threo-Droxidopa 25mg $175 2021-12-16 Buy
Usbiological 011003 DL-threo-Droxidopa 10mg $375 2026-06-03 Buy

Properties

Melting point :202-205°C (dec.)
Boiling point :549.8±50.0 °C(Predicted)
Density :1.608±0.06 g/cm3(Predicted)
storage temp. :-15°C
solubility :ethanol: 50 mg/mL Solutions should be freshly prepared.
form :powder
pka :2.09±0.24(Predicted)
color :off-white to yellow-tan

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
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 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:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.

Description

A synthetic amino acid precursor of Norepinephrine. Antiparkinsonian.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. 3B Pharmachem (Wuhan) International Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. BOC Sciences Shenzhen Polymeri Biochemical Technology Co., Ltd. BOC Sciences Career Henan Chemica Co Guangzhou Dreampharm Biotechnology Co., Ltd. Standardpharm Co. Ltd. Jiangsu Hongmin Pharmaceutical Co., Ltd.