BOC-D-Threonine

Name: BOC-D-Threonine
Brand: Vaqora Chemicals
SKU: VQ-020316

About BOC-D-Threonine

Vaqora Chemicals supplies BOC-D-Threonine, a protected amino acid registered under CAS number 55674-67-4. Its molecular formula is C9H17NO5 and its molecular weight is 219.23 g/mol. The IUPAC name is (2R,3S)-3-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid. Common synonyms include Boc-D-Thr-OH and N-(tert-Butoxycarbonyl)-D-threonine.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery and medicinal chemistry. It is used across academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 25 g, 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Solid-phase peptide synthesis (SPPS)
Peptide drug discovery
Medicinal chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	BOC-D-Threonine
Catalogue No.	VQ-020316
CAS Number	55674-67-4
IUPAC name	(2R,3S)-3-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid
Molecular formula	C₉H₁₇NO₅
Molecular weight	219.23 g/mol
Exact mass	219.1107
InChIKey	LLHOYOCAAURYRL-NTSWFWBYSA-N
SMILES	C[C@@H]([C@H](C(=O)O)NC(=O)OC(C)(C)C)O
PubChem CID	6992541

Physical properties
Physical form	Other
LogP (XLogP3)	0.3
H-bond donors / acceptors	3 / 5
TPSA	95.9 Å²
Synonyms	(2R,3S)-2-{[(tert-butoxy)carbonyl]amino}-3-hydroxybutanoic acid, (2R,3S)-2-(((tert-butoxy)carbonyl)amino)-3-hydroxybutanoic acid, Boc-D-Thr-OH, N-(tert-Butoxycarbonyl)-D-threonine, N-Boc-D-threonine, (2R,3S)-2-((tert-Butoxycarbonyl)amino)-3-hydroxybutanoic acid, D-Threonine, N-[(1,1-dimethylethoxy)carbonyl]-, (tert-Butoxycarbonyl)-D-threonine, Rel-(tert-butoxycarbonyl)-D-threonine, N-[(1,1-Dimethylethoxy)carbonyl]-D-threonine, (2R,3S)-2-((tert-Butoxycarbonyl)amino)-3-hydroxybutanoicacid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of BOC-D-Threonine?

The CAS Registry Number of BOC-D-Threonine is 55674-67-4. It is also known as (2R,3S)-2-{[(tert-butoxy)carbonyl]amino}-3-hydroxybutanoic acid, (2R,3S)-2-(((tert-butoxy)carbonyl)amino)-3-hydroxybutanoic acid, Boc-D-Thr-OH.

What is the molecular formula and molecular weight of BOC-D-Threonine?

BOC-D-Threonine has the molecular formula C9H17NO5 and a molecular weight of 219.23 g/mol. Its IUPAC name is (2R,3S)-3-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid.

Which grade and pack sizes of BOC-D-Threonine can I order?

We supply BOC-D-Threonine, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with BOC-D-Threonine?

Yes. Every lot of BOC-D-Threonine 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 BOC-D-Threonine be shipped internationally?

Yes. BOC-D-Threonine 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.