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API Process Intermediates & Related Compounds

(S)-(-)-alpha-Methylbenzyl isocyanate

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Buy (S)-(-)-alpha-Methylbenzyl isocyanate (CAS 14649-03-7) from Zemixal: C9H9NO, COA and SDS with every lot, worldwide shipping.

Pack sizes
(S)-(-)-alpha-Methylbenzyl isocyanate chemical structure
CAS number14649-03-7
FormulaC9H9NO
Molar mass147.17 g/mol
Physical formSolid
HS code2933
InChIKeyJJSCUXAFAJEQGB-QMMMGPOBSA-N
IUPAC name[(1S)-1-isocyanatoethyl]benzene

About (S)-(-)-alpha-Methylbenzyl isocyanate

(S)-(-)-alpha-Methylbenzyl isocyanate is part of the Zemixal API Process Intermediates & Related Compounds range. Key data: CAS 14649-03-7, formula C9H9NO and molar mass 147.17 g/mol. It is handled as a solid.

Where it is used

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Safe handling

It carries the GHS signal word Danger (H302, H315, H319 and H330), 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 batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Dorzolamide

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

Dorzolamide standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of (S)-(-)-alpha-Methylbenzyl isocyanate
Product name(S)-(-)-alpha-Methylbenzyl isocyanate
Catalogue numberZX-033341
CAS number14649-03-7
IUPAC name[(1S)-1-isocyanatoethyl]benzene
Molecular formulaC9H9NO
Molar mass147.17 g/mol
Exact mass147.0684
Physical formSolid
XLogP32.9
H-bond donors / acceptors0 / 2
Topological polar surface area29.4 Ų
HS code2933
InChIKeyJJSCUXAFAJEQGB-QMMMGPOBSA-N
SMILESC[C@@H](C1=CC=CC=C1)N=C=O
PubChem CID2724173
Synonyms(S)-(-)-1-Phenylethyl isocyanate, Benzene, [(1S)-1-isocyanatoethyl]-, Benzene, ((1S)-1-isocyanatoethyl)-, (S)-(-)-1-Phenylethylisocyanate, (1-Isocyanatoethyl)benzene #, (S)-1-phenylethyl isocyanate, (S)-(-)-, A-Methylbenzyl isocyanate, (s)-(1-isocyanatoethyl)benzene, (S)-methyl benzylisocyanate, (S)-methyl benzyl isocyanate

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

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H330Fatal if inhaled
  • H331Toxic if inhaled
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335May cause respiratory irritation

Precautionary statements P233, P260, P261, P264, P264 + P265, P270, P271, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P319, P320, P321, P330, P332 + P317, P337 + P317, P342 + P316, P362 + P364, P403, P403 + P233

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 (S)-(-)-alpha-Methylbenzyl isocyanate
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 (S)-(-)-alpha-Methylbenzyl isocyanate

Which CAS number identifies (S)-(-)-alpha-Methylbenzyl isocyanate?
(S)-(-)-alpha-Methylbenzyl isocyanate is registered under CAS 14649-03-7. You may also see it listed as (S)-(-)-1-Phenylethyl isocyanate, Benzene, [(1S)-1-isocyanatoethyl]-, Benzene, ((1S)-1-isocyanatoethyl)-. Our catalogue number for this item is ZX-033341.
What are the formula and molar mass of (S)-(-)-alpha-Methylbenzyl isocyanate?
For (S)-(-)-alpha-Methylbenzyl isocyanate, its formula is C9H9NO and its molar mass is 147.17 g/mol. The systematic (IUPAC) name is [(1S)-1-isocyanatoethyl]benzene. InChIKey JJSCUXAFAJEQGB-QMMMGPOBSA-N lets you match it in any structure database.
How is (S)-(-)-alpha-Methylbenzyl isocyanate used in pharmaceutical QC?
(S)-(-)-alpha-Methylbenzyl isocyanate is a characterised reference material linked to Dorzolamide. 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 (S)-(-)-alpha-Methylbenzyl isocyanate?
The grade and assay are confirmed on the quotation and the batch COA. 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 (S)-(-)-alpha-Methylbenzyl isocyanate?
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 (S)-(-)-alpha-Methylbenzyl isocyanate to my country?
Yes. Because (S)-(-)-alpha-Methylbenzyl isocyanate 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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