C5H6ClN
115.56 g/mol
Pharmaceutical IntermediateWarning
Pyridine hydrochloride
CAS628-13-7EC211-027-4
Category
Pharmaceutical Intermediate
Compound Class
Other
Primary Use
Pharmaceutical Intermediate
Pyridine hydrochloride is a chemical compound formed by the combination of pyridine and hydrogen chloride. It is commonly used as a pharmaceutical intermediate in the manufacturing of active pharmaceutical ingredients.
Pharmaceutical intermediate
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
StrongForm Family
Pyridine
CAS110-86-1
solvent and intermediate for pharmaceuticals
StrongSame Parent
Dibromotetrakis(pyridine)nickel
CAS14129-04-5
research compound
StrongSame Parent
Pyridine hydrobromide
CAS18820-82-1
research compound
StrongSame Parent
Sulfur trioxide pyridine complex
CAS26412-87-3
research compound
StrongSame Parent
Pyridine-sulfur trioxide complex
CAS28322-92-1
research compound
StrongStructure SimilarSimilarity 1.00
Dibromobis(pyridine)nickel
CAS14024-85-2
research compound
StrongStructure SimilarSimilarity 1.00
PUBCHEM_54600369
CAS14076-99-4
research compound
ReferenceSame Category
4-Chloro-2-nitrobenzoic acid
CAS6280-88-2
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H332Harmful if inhaled
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Pyridine hydrochloride (CAS 628-13-7) is 2933.31.
HS code (international, 6-digit)
2933.31
EU CN code (8-digit)
2933 31 00
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
pyridine;hydrochloride
InChIKey
AOJFQRQNPXYVLM-UHFFFAOYSA-N
SMILES
C1=CC=NC=C1.Cl
Synonyms (21)
- Ceftazidime EP Impurity F(HCl)
- N-2,4-Dnp-L-Glutamine
- Pyridine HCl
- Pyridine hydrochloride
- Pyridinium chloride
- Pyridinium monochloride
- hydrochloride pyridine
- piridine hydrochloride
- pyrdine hydrochloride
- pyridin-1-ium;chloride
- pyridine HCl salt
- pyridine hydrochloric acid
- pyridine hydrogen chloride
- pyridine hyrochloride
- pyridinehydrochloride salt
- pyridinium chloride salt
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