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VAQORACHEMICALS
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Clonidine Hydrochloride

Synonyms: Clonidine HCl · ST-155 · Onyda XR · 2-((2,6-Dichlorophenyl)imino)imidazolidine monohydrochloride

CAS No.4205-91-8
FormulaC9H10Cl3N3
Mol. weight266.60
Catalogue No.VQ-029872
PurityReference Standard
HSN38229090

Clonidine Hydrochloride (CAS 4205-91-8) – Clonidine reference standard. C9H10Cl3N3, MW 266.6. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Clonidine Hydrochloride

Clonidine Hydrochloride is a high-purity reference standard of Clonidine carrying the CAS registry number 4205-91-8. The compound has the formula C9H10Cl3N3, corresponding to a molecular weight of 266.6 g/mol. Common synonyms include Clonidine HCl and ST-155.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Clonidine standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Clonidine Hydrochloride in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Identification & assay
  • Method development & validation
  • QC reference material

Industries

Related to Clonidine

View every impurity, metabolite and intermediate we list for Clonidine.

Clonidine impurities

Specifications & identifiers

Chemical identifiers
Product nameClonidine Hydrochloride
Catalogue No.VQ-029872
CAS Number4205-91-8
IUPAC nameN-(2,6-dichlorophenyl)-4,5-dihydro-1H-imidazol-2-amine;hydrochloride
Molecular formulaC9H10Cl3N3
Molecular weight266.6 g/mol
Exact mass264.994
GradeReference Standard
HSN code38229090
InChIKeyZNIFSRGNXRYGHF-UHFFFAOYSA-N
SMILESC1CN=C(N1)NC2=C(C=CC=C2Cl)Cl.Cl
PubChem CID20179
Physical properties
Physical formSolid
H-bond donors / acceptors3 / 1
TPSA36.4 Ų
SynonymsClonidine HCl, ST-155, Onyda XR, 2-((2,6-Dichlorophenyl)imino)imidazolidine monohydrochloride, Benzenamine, 2,6-dichloro-N-2-imidazolidinylidene-, monohydrochloride, 2-[(2,6-Dichlorophenyl)imino]imidazolidine monohydrochloride, Clonidine HCI, Catapres tts 1, Catapres tts 2, Catapres tts 3, Catapres p.l., 2-(2,6-Dichlorophenylimino)imidazolidine monohydrochloride

Safety & hazard information (GHS)

GHS06 Toxic
Toxic

Signal word: Danger

Hazard statements

  • H301Toxic if swallowed
  • H330Fatal if inhaled

Precautionary statements: P260, P264, P270, P271, P284, P301 + P316, P304 + P340, P316, P320, P321, P330, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Clonidine Hydrochloride?

The CAS Registry Number of Clonidine Hydrochloride is 4205-91-8. It is also known as Clonidine HCl, ST-155, Onyda XR.

What is the molecular formula and molecular weight of Clonidine Hydrochloride?

Clonidine Hydrochloride has the molecular formula C9H10Cl3N3 and a molecular weight of 266.6 g/mol.

What is Clonidine Hydrochloride used for?

Clonidine Hydrochloride is supplied as a characterised reference material related to Clonidine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Clonidine Hydrochloride can I order?

We supply Clonidine Hydrochloride in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Clonidine Hydrochloride?

Yes. Every lot of Clonidine Hydrochloride is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Clonidine Hydrochloride be shipped internationally?

Yes. Clonidine Hydrochloride is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Clonidine Hydrochloride

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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MW
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N-Nitroso Clonidine chemical structure
N-Nitroso Clonidine
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148950-49-6
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C9H8Cl2N4O
MW
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Reference Standard
Clonidine chemical structure
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4205-90-7
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C9H9Cl2N3
MW
230.09 g/mol
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Reference Standard
DInitroso Clonidine chemical structure
DInitroso Clonidine
CAS
148950-50-9
Formula
C9H7Cl2N5O2
MW
288.09 g/mol
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