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1H-Pyrazole-1-carboxamidine hydrochloride

CAS 4023-02-3C4H6N4 · HClChemical Synthesis

1H-Pyrazole-1-carboxamidine hydrochloride (CAS: 4023-02-3) is a chemical compound with the formula C4H6N4 · HCl and a molecular weight of 146.58 g/mol. It serves as a versatile building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. This pyrazole derivative is valuable for constructing more complex molecular architectures.

IUPAC
1-Amidinopyrazole hydrochloride,Praxadine
Synonyms
1-Amidinopyrazole hydrochloride,Praxadine
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1H-Pyrazole-1-carboxamidine hydrochloride (C4H6N4 · HCl) — chemical structure, CAS 4023-02-3; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC3 to C5Chemical SynthesisHeterocyclic Building BlocksPyrazoles
01 /Applications

Heterocyclic Synthesis

Utilised as a key intermediate in the synthesis of novel heterocyclic compounds. Its pyrazole core allows for diverse functionalisation pathways.

Organic Chemistry Research

A valuable reagent for researchers exploring new synthetic methodologies and developing novel chemical entities. It enables the introduction of the amidinopyrazole moiety.

Pharmaceutical Intermediate Development

Can be employed in the early stages of drug discovery and development for creating potential drug candidates containing the pyrazole scaffold.

02 /Properties
Molecular weight146.58
Empirical formulaC4H6N4 · HCl
Assay99%
Melting point167-170 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
Danger

Hazard statements

  • H302Harmful if swallowed
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H373May cause damage to organs through prolonged exposure
  • H412Harmful to aquatic life with long-lasting effects

Precautionary statements

  • P273Avoid release to the environment
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
4023-02-3
MDL number
MFCD00210087
PubChem substance
24865095
Beilstein registry
5448758
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 1H-Pyrazole-1-carboxamidine hydrochloride used for?

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1H-Pyrazole-1-carboxamidine hydrochloride is primarily used as a building block in organic synthesis, particularly for the creation of heterocyclic compounds and as an intermediate in pharmaceutical research.

What is the CAS number and formula for 1H-Pyrazole-1-carboxamidine hydrochloride?

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The CAS number is 4023-02-3 and the empirical formula is C4H6N4 · HCl.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 1H-Pyrazole-1-carboxamidine hydrochloride with an assay of 99%. It is supplied as a technical/research grade chemical and TSS does not represent it as USP, BP, or EP grade.

What are the main safety concerns when handling this chemical?

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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed), H317 (May cause an allergic skin reaction), H318 (Causes serious eye damage), H373 (May cause damage to organs through prolonged or repeated exposure), and H412 (Harmful to aquatic life with long lasting effects). Appropriate PPE, including a dust mask (N95), eyeshields, and gloves, should be worn.

How is 1H-Pyrazole-1-carboxamidine hydrochloride packed, shipped, and exported?

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As a global supplier, Tech Serve Solutions offers expert packing, shipping, and export services for 1H-Pyrazole-1-carboxamidine hydrochloride, adhering to all relevant international regulations for chemical transport.

How can I request a sample or quote for 1H-Pyrazole-1-carboxamidine hydrochloride?

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To request a sample or a quote for 1H-Pyrazole-1-carboxamidine hydrochloride, please contact our sales team via the website or email, providing your specific requirements.

Need 1H-Pyrazole-1-carboxamidine hydrochloride in a specific grade or volume?

1H-Pyrazole-1-carboxamidine HCl (4023-02-3) | TSS