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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
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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Hazard and Precautionary Statements (GHS)

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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 51 India 2 United States 2 Global 56
Shandong Fuchuang Pharmaceutical Technology Co. , Ltd.
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18663705731
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fcpharm2006@126.com
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China
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J & K SCIENTIFIC LTD.
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18210857532; 18210857532
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86-10-82849933
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jkinfo@jkchemical.com
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China
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Chemsky（shanghai）International Co.,Ltd.
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021-50135380
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shchemsky@sina.com
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China
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Shanghai TaoSu Biochemical Technology Co., Ltd.
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021-33632979
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021-34692979
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info@tsbiochem.com
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China
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ChemStrong Scientific Co.,Ltd
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0755-0755-66853366 13670046396
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0755-28363542
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sales@chem-strong.com
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China
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Shanghai Kewel Chemical Co., Ltd.
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021-64609169 18901607656
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021-64609160
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greensnown@163.com
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China
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50
Hubei Yangxin Medical Technology Co., Ltd.
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15374522761
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QQ:2853117752
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3003392093@yongstandards.com
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China
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Shanghai CR Corporation Limited
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13062833949; 4006653949 4006653949
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QQ: 2136646215
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fred.wen@crcorporation.cn
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China
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Shenzhen SUNGENING Bio-Medical Co., Ltd.
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0755-0755-28967200-8062 13631290199
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0755-28967200
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wxf@sungening.com
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China
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Shanghai Haohong Pharmaceutical Co., Ltd.
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400-8210725 400821072
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021-58955996
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malulu@leyan.com
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China
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25000
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58

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