(3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxy-pentanoic acid (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxypentanoic acid (3R,4R)-3-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-4-phenylmethoxypentanoic acid (3R,4R)-4-benzoxy-3-(tert-butoxycarbonylamino)valeric acid (3R,4R)-4-benzyloxy-3-(tert-butoxycarbonylamino)pentanoic acid 254101-11-6 Boc-L-beta-homothreonine(OBzl) CAS 254101-11-6

Purity 97%+In StockPharmaceutical Standards
CAS No.254101-11-6
Molecular FormulaC17H31NO5
Molecular Weight329.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxy-pentanoic acid (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxypentanoic acid (3R,4R)-3-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-4-phenylmethoxypentanoic acid (3R,4R)-4-benzoxy-3-(tert-butoxycarbonylamino)valeric acid (3R,4R)-4-benzyloxy-3-(tert-butoxycarbonylamino)pentanoic acid 254101-11-6 Boc-L-beta-homothreonine(OBzl) CAS 254101-11-6 chemical structure

Description

(3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxy-pentanoic acid (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxypentanoic acid (3R,4R)-3-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-4-phenylmethoxypentanoic acid (3R,4R)-4-benzoxy-3-(tert-butoxycarbonylamino)valeric acid (3R,4R)-4-benzyloxy-3-(tert-butoxycarbonylamino)pentanoic acid 254101-11-6 Boc-L-beta-homothreonine(OBzl) (CAS 254101-11-6) is a high-purity analytical reference standard with the molecular formula C17H31NO5 and a molecular weight of 329.43 g/mol.

Based on its molecular formula C17H31NO5, (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxy-pentanoic acid (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxypentanoic acid (3R,4R)-3-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-4-phenylmethoxypentanoic acid (3R,4R)-4-benzoxy-3-(tert-butoxycarbonylamino)valeric acid (3R,4R)-4-benzyloxy-3-(tert-butoxycarbonylamino)pentanoic acid 254101-11-6 Boc-L-beta-homothreonine(OBzl) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 329.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxy-pentanoic acid (3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-phenylmethoxypentanoic acid (3R,4R)-3-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-4-phenylmethoxypentanoic acid (3R,4R)-4-benzoxy-3-(tert-butoxycarbonylamino)valeric acid (3R,4R)-4-benzyloxy-3-(tert-butoxycarbonylamino)pentanoic acid 254101-11-6 Boc-L-beta-homothreonine(OBzl) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC17H31NO5
Molecular Weight329.43 g/mol
AppearanceWhite to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2025
Nitrogen Atoms1

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