C5H5N
84.13 g/mol
Pharmaceutical IntermediateDanger
(2H5)Pyridine
CAS7291-22-7EC230-720-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a fully deuterated form of pyridine, where all five hydrogen atoms on the aromatic ring are replaced by deuterium. It is primarily used as a stable isotope-labeled intermediate in pharmaceutical research and manufacturing, enabling tracing and mechanistic studies.
stable isotope-labeled intermediate for pharmaceutical researchdeuterated solvent or reagent for NMR spectroscopy
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
ReferenceSame Category
Alpha-Amino-3-chlorophenylacetic acid
CAS7292-71-9
pharmaceutical intermediate
ReferenceSame Category
(R)-1-Boc-pyrrolidine-3-carboxylic acid
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pharmaceutical intermediate
ReferenceSame Category
4,6-Dichloronicotinic acid
CAS73027-79-9
pharmaceutical intermediate
ReferenceSame Category
2-Fluoro-5-nitrobenzoic acid
CAS7304-32-7
pharmaceutical intermediate
Referencestereoisomer of
Pyridine
CAS110-86-1
solvent and intermediate for pharmaceuticals
Referencestereoisomer of
Dibromobis(pyridine)nickel
CAS14024-85-2
research compound
Referencestereoisomer of
PUBCHEM_54600369
CAS14076-99-4
research compound
Referencestereoisomer of
Dibromotetrakis(pyridine)nickel
CAS14129-04-5
research compound
Safety Reference
Danger
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for (2H5)Pyridine (CAS 7291-22-7) is 2845.90.
HS code (international, 6-digit)
2845.90
EU CN code (8-digit)
2845 90 10
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
2,3,4,5,6-pentadeuteriopyridine
InChIKey
JUJWROOIHBZHMG-RALIUCGRSA-N
SMILES
[2H]C1=C(C(=NC(=C1[2H])[2H])[2H])[2H]
Synonyms (18)
- D013
- D039
- (2H5)Pyridine
- Pentadeuteropyridine
- Pyridine, perdeutero-
- Pyridine-d5 (Reagent grade)
- Pyridine-d5, 99 atom % D
- Pyridine-d5, >=99.5 atom % D
- deuterated pyridine
- pyridine d5
- pyridine-d
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