Boc-L-threonine N-hydroxysuccinimide ester , CAS No.63076-44-8

CAS: 63076-44-8 Cat. No.: B346514 Molecular Weight: 316.31
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Synonyms
N-Boc-L-threonine N-Succinimidyl Ester | N-[(1,1-Dimethylethoxy)carbonyl]-L-threonine 2,5-dioxo-1-pyrrolidinyl ester | tert-butyl [r-(r*,s*)]-[1-[[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl]-2-hydroxypropyl]carbamate | Boc-L-threonine N-hydroxysuccinimide est
Storage
Store at 2-8°C
Shipped In
Wet ice
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Size
Status
Price
Qty
1g
B346514-1g
3
$52.90
5g
B346514-5g
3
$164.90
25g
B346514-25g
3
$555.90
Enter a quantity for the sizes you want to add.
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
N-Boc-L-threonine N-Succinimidyl Ester | N-[(1, 1-Dimethylethoxy)carbonyl]-L-threonine 2, 5-dioxo-1-pyrrolidinyl ester | tert-butyl [r-(r*, s*)]-[1-[[(2, 5-dioxopyrrolidin-1-yl)oxy]carbonyl]-2-hydroxypropyl]carbamate | Boc-L-threonine N-hydroxysuccinimide est
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers
Pubchem Sid504767279
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504767279
Canonical SmilesCC(C(C(=O)ON1C(=O)CCC1=O)NC(=O)OC(C)(C)C)O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) (2S,3R)-3-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate
InChIKeyAHKOXQQXRXTKKD-XCBNKYQSSA-N
INCHI1S/C13H20N2O7/c1-7(16)10(14-12(20)21-13(2,3)4)11(19)22-15-8(17)5-6-9(15)18/h7,10,16H,5-6H2,1-4H3,(H,14,20)/t7-,10+/m1/s1
Isomeric SMILES C[C@H]([C@@H](C(=O)ON1C(=O)CCC1=O)NC(=O)OC(C)(C)C)O
Molecular Weight 316.31
Reaxy-Rn 1552960
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1552960&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives
Direct ParentAlpha amino acids and derivatives
Alternative Parents Beta hydroxy acids and derivatives  Pyrrolidine-2-ones  Dicarboximides  Carbamate esters  Secondary alcohols  Lactams  Monocarboxylic acids and derivatives  Azacyclic compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Alpha-amino acid or derivatives - Beta-hydroxy acid - Hydroxy acid - Pyrrolidone - 2-pyrrolidone - Dicarboximide - Pyrrolidine - Carbamic acid ester - Lactam - Secondary alcohol - Azacycle - Monocarboxylic acid or derivatives - Organoheterocyclic compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organic oxide - Alcohol - Carbonyl group - Organic oxygen compound - Organic nitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
J2229026Certificate of AnalysisAug 11, 2025 B346514
J2229027Certificate of AnalysisAug 11, 2025 B346514
J2229040Certificate of AnalysisAug 11, 2025 B346514
Chemical and Physical Properties
Melt Point(°C)133-137° C
Molecular Weight316.310 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count7
Rotatable Bond Count7
Exact Mass316.127 Da
Monoisotopic Mass316.127 Da
Topological Polar Surface Area122.000 Ų
Heavy Atom Count22
Formal Charge0
Complexity467.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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