C8H7NO2
149.15 g/mol
Pharmaceutical IntermediateDanger
5,6-Dihydroxyindole
CAS3131-52-0EC412-130-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
5,6-Dihydroxyindole is a dihydroxyindole compound. It is known as a naturally occurring mouse metabolite and is used as a pharmaceutical intermediate.
pharmaceutical intermediateresearch compound
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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(10R,15S)-4-methyl-1,4,12-triazatetracyclo[7.6.1.05,16.010,15]hexadeca-5,7,9(16)-triene
CAS313368-85-3
pharmaceutical intermediate
ReferenceSame Category
Ethyl (10R,15S)-4-methyl-1,4,12-triazatetracyclo[7.6.1.05,16.010,15]hexadeca-5,7,9(16)-triene-12-carboxylate
CAS313369-26-5
pharmaceutical intermediate
Safety Reference
Danger
H302Harmful if swallowed
H318Causes serious eye damage
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 5,6-Dihydroxyindole (CAS 3131-52-0) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1H-indole-5,6-diol
InChIKey
SGNZYJXNUURYCH-UHFFFAOYSA-N
SMILES
C1=CNC2=CC(=C(C=C21)O)O
Synonyms (12)
- D-3560
- 1H-Indole-5,6-diol
- 3H-INDOLE-5,6-DIOL
- 5,6-Dihydroxy-1H-indole
- 5,6-Dihydroxyindole
- Calcein Red? (sodium salt)
- Dihydroxyindole
- Dopamine lutine
- IMEXINE OAY
- dhi
- indole-5,6-diol
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