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API Reference Standards

Clenbuterol

Reference StandardAvailable on request

Order Clenbuterol (CAS 37148-27-9) online at Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Clenbuterol chemical structure
CAS number37148-27-9
FormulaC12H18Cl2N2O
Molar mass277.19 g/mol
Physical formSolid
HS code38229090
InChIKeySTJMRWALKKWQGH-UHFFFAOYSA-N
IUPAC name1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethanol

About Clenbuterol

Clenbuterol belongs to the Clenbuterol reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 37148-27-9, formula C12H18Cl2N2O and molar mass 277.19 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

It carries the GHS signal word Danger (H301, H315, H319 and H331), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Clenbuterol

See every impurity, metabolite and related compound we list for this API.

Clenbuterol standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Clenbuterol
Product nameClenbuterol
Catalogue numberZX-044036
CAS number37148-27-9
IUPAC name1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethanol
Molecular formulaC12H18Cl2N2O
Molar mass277.19 g/mol
Exact mass276.0796
GradeReference Standard
Physical formSolid
XLogP32.2
H-bond donors / acceptors3 / 3
Topological polar surface area58.3 Ų
HS code38229090
InChIKeySTJMRWALKKWQGH-UHFFFAOYSA-N
SMILESCC(C)(C)NCC(C1=CC(=C(C(=C1)Cl)N)Cl)O
PubChem CID2783
SynonymsContraspasmin, NAB 365, 4-Amino-3,5-dichloro-alpha-(((1,1-dimethylethyl)amino)methyl)benzenemethanol, 1-(4-Amino-3,5-dichloro-phenyl)-2-tert-butylamino-ethanol, BENZENEMETHANOL, 4-AMINO-3,5-DICHLORO-alpha-(((1,1-DIMETHYLETHYL)AMINO)METHYL)-, Spiropent mite, 1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethan-1-ol, dl-Clenbuterol, (RS)-Clenbutero, 4-Amino-.alpha.-[(tert-butylamino)methyl]-3,5-dichlorobenzyl alcohol

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H331Toxic if inhaled
  • H361Suspected of damaging fertility or the unborn child
  • H372Causes damage to organs through prolonged or repeated exposure
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Clenbuterol
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Clenbuterol

Which CAS number identifies Clenbuterol?
Clenbuterol is registered under CAS 37148-27-9. You may also see it listed as Contraspasmin, NAB 365, 4-Amino-3,5-dichloro-alpha-(((1,1-dimethylethyl)amino)methyl)benzenemethanol. Our catalogue number for this item is ZX-044036.
What are the formula and molar mass of Clenbuterol?
For Clenbuterol, its formula is C12H18Cl2N2O and its molar mass is 277.19 g/mol. The systematic (IUPAC) name is 1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethanol. InChIKey STJMRWALKKWQGH-UHFFFAOYSA-N lets you match it in any structure database.
How is Clenbuterol used in pharmaceutical QC?
Clenbuterol is a characterised reference material linked to Clenbuterol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Clenbuterol?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Clenbuterol?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Clenbuterol to my country?
Yes. Because Clenbuterol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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