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Home/Compounds/CAS 153-94-6
Formula C11H12N2O2MW 204.22Research-use catalog entryCOA/SDS by request

D-Tryptophan

CAS Number: 153-94-6

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Loading RDKit molecule structure...
InChIKey: QIVBCDIJIAJPQS-SECBINFHSA-NC11H12N2O2 | MW 204.22

Chemical Absolute Identifiers

CAS Number

153-94-6

PubChem CID

9060

Molecular Formula

C11H12N2O2

Molecular Weight

204.22 g/mol

Exact Mass

204.089878

InChIKey

QIVBCDIJIAJPQS-SECBINFHSA-N

IUPAC Name

(2R)-2-amino-3-(1H-indol-3-yl)propanoic acid

SMILES String

C1=CC=C2C(=C1)C(=CN2)C[C@H](C(=O)O)N

Physical Properties

Appearance

D(+)-tryptophan is a white solid. (NTP, 1992)

Water Solubility

1 mol/L

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

D-Tryptophan (CAS 153-94-6) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C11H12N2O2 and molecular weight 204. 22 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow
Biological target reference

ChEMBL reports experimental activity evidence for: Carbonic anhydrase 2 (Homo sapiens) — 16 assays; Carbonic anhydrase 1 (Homo sapiens) — 13 assays; Carbonic anhydrase 6 (Homo sapiens) — 5 assays; Carbonic anhydrase 3 (Homo sapiens) — 4 assays; Carbonic anhydrase 4 (Homo sapiens) — 4 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Carbonic anhydrase 2

Homo sapiens · SINGLE PROTEIN · 16 qualifying assays · 14 documents

Experimental evidence source: ChEMBL

Carbonic anhydrase 1

Homo sapiens · SINGLE PROTEIN · 13 qualifying assays · 12 documents

Experimental evidence source: ChEMBL

Carbonic anhydrase 6

Homo sapiens · SINGLE PROTEIN · 5 qualifying assays · 4 documents

Experimental evidence source: ChEMBL

Carbonic anhydrase 3

Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 4 documents

Experimental evidence source: ChEMBL

Carbonic anhydrase 4

Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 4 documents

Experimental evidence source: ChEMBL

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.
  • Carbon monoxide, carbon dioxide, nitrogen oxides.

Disposal

  • Waste product.
  • Dispose of remaining and non-recyclable solutions to a licensed company.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Use personal protective equipment and emergency procedures.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

D-Tryptophan

Names & Synonyms

(R)-Tryptophan(+)-TryptophanD-TrytophaneTryptophan, D-D(+)-Tryptophan
Show all synonyms
D-(+)-TryptophanDTryptophane(R)TryptophanTryptophan, DD(+)Tryptophan3,3'Indolyl2alanine2Amino3,3'indolylpropanoic acid(R)alphaAmino3indolepropionic acid(R)alphaAminoindole3propanoic acid3,3'-INDOLYL-2-ALANINEalphaAmino3,3'indolylpropanoic acid2-AMINO-3,3'-INDOLYLPROPANOIC ACID(R)-ALPHA-AMINO-3-INDOLEPROPIONIC ACID(R)-ALPHA-AMINOINDOLE-3-PROPANOIC ACID
External Identifiers
EC NUMBER: 205-819-9DSSTOX SUBSTANCE ID: DTXSID0046989CHEMBL ID: CHEMBL292303CHEBI ID: CHEBI:16296UNII: 7NS97N9H1GDRUGBANK ID: DB03225HMDB ID: HMDB0013609KEGG ID: C00525METABOLOMICS WORKBENCH ID: 42455
Experimental Spectrum References
13C NMR Spectra1D NMR Spectra1H NMR SpectraATR-IR Spectra — Forensic Spectral ResearchFTIR Spectra — Forensic Spectral ResearchRaman Spectra — Forensic Spectral ResearchUV-VIS Spectra
Literature & Patent References
DOI 10.1016/j.bmcl.2021.128273Structural and biophysical characterization of the Burkholderia pseudomallei IspF inhibitor L-tryptophan hydroxamate.DOI 10.1016/j.ejmech.2021.113875Binding site comparison for coumarin inhibitors and amine/amino acid activators of human carbonic anhydrases.DOI 10.6019/CHEMBL4808148HDAC6 screening dataset using tau-based substrate in an enzymatic assay yields selective inhibitors and activatorsPMID 34298132Structural and biophysical characterization of the Burkholderia pseudomallei IspF inhibitor L-tryptophan hydroxamate.PMID 34634741Binding site comparison for coumarin inhibitors and amine/amino acid activators of human carbonic anhydrases.DOI 10.1021/acs.jmedchem.0c00546The Structural Basis for Nonsteroidal Anti-Inflammatory Drug Inhibition of Human Dihydrofolate Reductase.PMID 32658475The Structural Basis for Nonsteroidal Anti-Inflammatory Drug Inhibition of Human Dihydrofolate Reductase.DOI 10.1016/j.bmc.2018.07.011Activation studies with amines and amino acids of the α-carbonic anhydrase from the pathogenic protozoan Trypanosoma cruzi.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

Dl-TryptophanCAS 54-12-6
Methyl D-TryptophanateCAS 22032-65-1
Methyl tryptophanate hydrochlorideCAS 7524-52-9
(1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acidCAS 406938-39-4
ChloropretadalafilCAS 171489-59-1

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 54-12-6Dl-TryptophanCAS 22032-65-1Methyl D-TryptophanateCAS 7524-52-9Methyl tryptophanate hydrochlorideCAS 73-22-3L-TryptophanCAS 63-91-2L-PhenylalanineCAS 673-06-3D-PhenylalanineCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylate

RFQ questions for CAS 153-94-6

What are the key identifiers for D-Tryptophan (CAS 153-94-6)?

D-Tryptophan is identified by CAS 153-94-6, with molecular formula C11H12N2O2, molecular weight 204.22, InChIKey QIVBCDIJIAJPQS-SECBINFHSA-N.

Does CAS 153-94-6 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Carbonic anhydrase 2, Carbonic anhydrase 1, Carbonic anhydrase 6, Carbonic anhydrase 3, Carbonic anhydrase 4. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 153-94-6?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for D-Tryptophan?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 153-94-6 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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