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Di-tert-butyl Dicarbonate

Boc anhydride, Boc2O · CAS 24424-99-5

Intermediates Pharmaceutical intermediate CoA per lotSDSGMP statement

The standard Boc protecting reagent, and one that decomposes to CO2 and tert-butanol if it gets warm. Ships cold, in small packs, because most buyers use grams to kilos rather than tonnes.

A reagent rather than a bulk raw material. Supplied in the pack sizes process chemists actually use, with the oxidation or hydrolysis product specified.

Identity

Catalogue no.BP-INT-007
CAS number24424-99-5
Molecular formulaC10H18O5
Molecular weight218.25 g/mol
HS code2920.90
SynonymsBoc anhydride, Boc2O
Product linePharmaceutical Intermediates
CategoryReagents & Catalysts

Release specification

Catalogue standard below. For a supply agreement we release against your dossier specification; send it with the enquiry and the CoA will be built around it.

ParameterSpecification
Assay≥ 99.0%
Related substancestert-butanol ≤ 0.50%; any unspecified impurity ≤ 0.30%
Water content≤ 0.5% (Karl Fischer)
Heavy metals≤ 20 ppm (ICP-MS)
Assay by GC≥ 99.0%

Application

Boc protection of amines in peptide and API synthesis.

Packaging, storage & logistics

Standard packaging1 kg / 5 kg aluminium-laminated foil bag in fibre drum
Minimum order5 kg
Lead time15–25 days
Storage conditionsStore at 2–8 °C, protected from light
Shipping documentsInvoice, packing list, CoA, SDS, certificate of origin; DGM/IATA declaration where applicable

Pack sizes available — pick one to prefill the enquiry

1 kg25 kg200 kg1 000 kg

Documentation provided

  • CoA per lotLot-specific, with the test methods cited
  • SDSCurrent GHS revision; destination-language version on request
  • GMP statementSite-level GMP status and the last audit date, issued per customer

Need the DMF open part, a sample CoA or an audit pack before you can qualify us? Ask on the enquiry form — we send those documents before any commercial discussion.

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