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H0500

Sigma-Aldrich

1,2,3,4-Tetrahydroharmane-3-carboxylic acid

Synonym(s):

1-Methyl-1,2,3,4-Tetrahydropyrido[3,4-b]indole-3-carboxylic acid, 1-Methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid, NSC 26225

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100 MG
€74.50

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100 MG
€74.50

About This Item

Empirical Formula (Hill Notation):
C13H14N2O2
CAS Number:
5470-37-1
Molecular Weight:
230.26
MDL number:
MFCD00022199
UNSPSC Code:
12352100
PubChem Substance ID:
24895402
NACRES:
NA.22

€74.50

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storage temp.

−20°C

SMILES string

CC1NC(Cc2c1[nH]c3ccccc23)C(O)=O

InChI

1S/C13H14N2O2/c1-7-12-9(6-11(14-7)13(16)17)8-4-2-3-5-10(8)15-12/h2-5,7,11,14-15H,6H2,1H3,(H,16,17)

InChI key

ZUPHXNBLQCSEIA-UHFFFAOYSA-N

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Application

Reactant involved in synthesis of molecules for biological studies including:
  • Cytotoxicity and insecticidal activities of harmine derivatives
  • Isoquinolines, β-carbolines, and 3-deazapurines via oxidative decarboxylation
  • Cytotoxic evaluation of 1,3-di- and 1,3,9-trisubstituted β-carbolines

Biochem/physiol Actions

Implicated in eosinophilia-myalgia syndrome associated with L-tryptophan ingestion.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBR6684V
080K1731
102H0626
026H0642

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Analysis of L-tryptophan for the etiology of eosinophilia-myalgia syndrome.
MMWR. Morbidity and mortality weekly report, 39(34), 589-591 (1990-08-31)
S Fukushima et al.
Alcohol (Fayetteville, N.Y.), 9(1), 31-35 (1992-01-01)
We conducted analyses of 1-methyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid (1Me3C-THBC) by gas chromatography-mass spectrometry (negative chemical ionization mode) to investigate its presence and the in vivo condensation between tryptophan and AcH. 1Me3C-THBC was found in the cerebellum and the cerebrum of normal rat
J Adachi et al.
Archives of toxicology, 67(4), 284-289 (1993-01-01)
Peak E substance, 1,1'-ethylidenebis[tryptophan], a contaminant found in L-tryptophan tablets, has been suggested as a causative agent for eosinophilia-myalgia syndrome (EMS). Peak E substance (50 mg/kg) was administered perorally to Wistar rats to determine its metabolism and distribution. A purification
A comparative study of tissue distribution and excretion among three substances implicated in eosinophilia-myalgia syndrome.
J Adachi et al.
Advances in experimental medicine and biology, 398, 365-370 (1996-01-01)
Y Ogawa et al.
Archives of toxicology, 67(4), 290-293 (1993-01-01)
1-Methyl-tetrahydro-beta-carboline-3-carboxylic acid (MTCA) may cause eosinophilia-myalgia syndrome (EMS) associated with ingestion of L-tryptophan. The distribution and excretion of MTCA were studied in rats which had received perorally a single 1.6 mg/kg dose of MTCA. MTCA concentrations in blood, kidney, liver
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