Dioxindolyl-L-alanine

Product Name: Dioxindolyl-L-alanine
CAS No.: 184955-21-3
Chemical Name: Dioxindolyl-L-alanine
Synonyms: Dioxyindolylalanine;Dioxindolyl-L-alanine;Tryptophan EP Impurity B;N-Acetyltryptophan EP Impurity B;Tryptophan Impurity 2（Tryptophan EP Impurity B）;Dioxindolyl-L-alanine (Mixture of DiastereoMers);Tryptophan Impurity B (Mixture of Diastereomers);Tryptophan EP Impurity B (Mixture of Diastereomers);a-Amino-2,3-dihydro-3-hydroxy-2-oxo-1H-indole-3-propanoic acid;1H-Indole-3-propanoic acid, α-amino-2,3-dihydro-3-hydroxy-2-oxo-, (αS)-
CBNumber: CB92652501
Molecular Formula: C11H12N2O4
Formula Weight: 236.22398
MOL File: 184955-21-3.mol

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Dioxindolyl-L-alanine Property

Melting point:: >221°C (dec.)
Boiling point:: 564.5±50.0 °C(Predicted)
Density: 1.483±0.06 g/cm3(Predicted)
storage temp.: Refrigerator
solubility: Water (Slightly, Heated)
pka: 2.18±0.10(Predicted)
form: Solid
color: Off-White to Light Beige
Major Application: pharmaceutical small molecule
InChI: InChI=1/C11H12N2O4/c12-7(9(14)15)5-11(17)6-3-1-2-4-8(6)13-10(11)16/h1-4,7,17H,5,12H2,(H,13,16)(H,14,15)/t7-,11/s3
InChIKey: BZRCOYDQHJWPQZ-KSBLPAJGNA-N
SMILES: c1cc2NC(=O)C(O)(C[C@@H](N)C(O)=O)c2cc1 |&1:9,r|

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Safety

WGK Germany: WGK 3
Storage Class: 11 - Combustible Solids

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P330Rinse mouth.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PHR8919
Product name: Dioxindolyl-L-alanine
Purity: Pharmaceutical Secondary Standard; Certified Reference Material
Packaging: 100 mg
Price: $743
Updated: 2025/07/31

TRC

Product number: D486855
Product name: Dioxindolyl-L-alanine(MixtureofDiastereomers)
Packaging: 50mg
Price: $185
Updated: 2021/12/16

Medical Isotopes, Inc.

Product number: 45892
Product name: Dioxindolyl-L-alanine(MixtureofDiastereomers)
Packaging: 100mg
Price: $650
Updated: 2021/12/16

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Dioxindolyl-L-alanine Chemical Properties,Usage,Production

Uses

Dioxindolyl-L-alanine is used in the synthesis of peptides containing 5-Hydroxytryptophan, Oxindolylalanine, N-Formylkynurenine and Kynurenine.

Dioxindolyl-L-alanine Preparation Products And Raw materials

Raw materials

Preparation Products

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Dioxindolyl-L-alanine Suppliers

Canada 1 China 52 India 2 United States 2 Global 57

Shandong Fuchuang Pharmaceutical Technology Co. , Ltd.

Tel: 0531-88792816 18663705731
Email: fcpharm2006@126.com
Country: China
ProdList: 286
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J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
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Advantage: 76

Chemsky（shanghai）International Co.,Ltd.

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Email: shchemsky@sina.com
Country: China
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Shanghai TaoSu Biochemical Technology Co., Ltd.

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Quality Control Solutions Ltd.

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Shanghai Kewel Chemical Co., Ltd.

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Hubei Yangxin Medical Technology Co., Ltd.

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Shanghai CR Corporation Limited

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Shenzhen SUNGENING Bio-Medical Co., Ltd.

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Shanghai Haohong Pharmaceutical Co., Ltd.

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184955-21-3, Dioxindolyl-L-alanineRelated Search:

3-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione 2-(1H-indol-3-yl)acetaldehyde 5-Hydroxytryptophan N'-formyl-L-Kynurenine Tryptophan EP Impurity J L-KYNURENINE Tryptophan EP Impurity D PEAK E Tryptophan EP Impurity F Tryptophan EP Impurity L HARMANE-1,2,3,4-TETRAHYDRO-3-CARBOXYLIC ACID 2,3,4,9-TETRAHYDRO-1H-BETA-CARBOLINE-3-CARBOXYLIC ACID 2-Hydroxy-DL-tryptophan DL-METHIONINE SULFOXIDE Tryptophan Impurity 1（Tryptophan EP Impurity A） 3-(phenylamino)alanine N-Acetyl-L-tryptophan L-2-hydroxyTryptophan hydrochloride

Dioxindolyl-L-alanine

Dioxindolyl-L-alanine (Mixture of DiastereoMers)

a-Amino-2,3-dihydro-3-hydroxy-2-oxo-1H-indole-3-propanoic acid

Tryptophan EP Impurity B

Tryptophan Impurity B (Mixture of Diastereomers)

Tryptophan EP Impurity B (Mixture of Diastereomers)

Tryptophan Impurity 2（Tryptophan EP Impurity B）

1H-Indole-3-propanoic acid, α-amino-2,3-dihydro-3-hydroxy-2-oxo-, (αS)-

(S)-2-amino-3-[(3RS)-3-hydroxy-2-oxo-2,3-dihydro-1H-indol-3-yl]propanoic acid

N-Acetyltryptophan EP Impurity B

Dioxyindolylalanine

(2S)-2-amino-3-[(3RS)-3-hydroxy-2-oxo-2,3-dihydro-1H-indol-3-yl]propanoic acid (dioxyindolylalanine)

b.?(S)-2-amino-3-[(3RS)-3-hydroxy-2-oxo-2,3-dihydro-1h-indol-3-yl]propanoicacid(dioxyindolylalanine)

(2S)-2-Amino-3-(3-hydroxy-2-oxoindolin-3-yl)propanoic acid (Tryptophan Impurity)

184955-21-3

Amines, Heterocycles, Intermediates, Pharmaceuticals, Intermediates & Fine Chemicals