Boc-L-Val-ONp - ≥97% , CAS No.16948-40-6

CAS: 16948-40-6 Cat. No.: B357010 Molecular Weight: 338.36
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
AKOS016003498 | N-alpha-t-Butyloxycarbonyl-L-valine p-nitrophenyl ester (Boc-L-Val-ONp) | Boc-Val-ONp | DTXSID60427032 | (S)-4-Nitrophenyl 2-((tert-butoxycarbonyl)amino)-3-methylbutanoate | Boc-L-Valine 4-nitrophenyl ester | (S)-4-nitrophenyl 2-(tert-buto
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
B357010-5g
2

$184.90

$240.90
Save $56.00 (23.25%)
25g
B357010-25g
1

$529.90

$686.90
Save $157.00 (22.86%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

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

Specifications

Synonyms
AKOS016003498 | N-alpha-t-Butyloxycarbonyl-L-valine p-nitrophenyl ester (Boc-L-Val-ONp) | Boc-Val-ONp | DTXSID60427032 | (S)-4-Nitrophenyl 2-((tert-butoxycarbonyl)amino)-3-methylbutanoate | Boc-L-Valine 4-nitrophenyl ester | (S)-4-nitrophenyl 2-(tert-buto
Specifications & Purity
≥97%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid504764587
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764587
Canonical SmilesCC(C)C(C(=O)OC1=CC=C(C=C1)[N+](=O)[O-])NC(=O)OC(C)(C)C
IUPAC Name(4-nitrophenyl) (2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate
InChIKeyALJZEMRUAOJSPP-ZDUSSCGKSA-N
INCHI1S/C16H22N2O6/c1-10(2)13(17-15(20)24-16(3,4)5)14(19)23-12-8-6-11(7-9-12)18(21)22/h6-10,13H,1-5H3,(H,17,20)/t13-/m0/s1
Isomeric SMILES CC(C)[C@@H](C(=O)OC1=CC=C(C=C1)[N+](=O)[O-])NC(=O)OC(C)(C)C
Molecular Weight 338.36
Reaxy-Rn 4002777
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4002777&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.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

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 - Alpha amino acids and derivatives
Direct ParentAlpha amino acid esters
Alternative Parents Valine and derivatives  Phenol esters  Nitrobenzenes  Phenoxy compounds  Nitroaromatic compounds  Fatty acid esters  Carbamate esters  Carboxylic acid esters  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Monocarboxylic acids and derivatives  Organonitrogen compounds  Hydrocarbon derivatives  Organic oxides  Organic salts  Carbonyl compounds  Organic cations  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Alpha-amino acid ester - Valine or derivatives - Phenol ester - Nitrobenzene - Phenoxy compound - Nitroaromatic compound - Fatty acid ester - Monocyclic benzene moiety - Fatty acyl - Benzenoid - Carbamic acid ester - Carboxylic acid ester - C-nitro compound - Organic nitro compound - Organic oxoazanium - Monocarboxylic acid or derivatives - Organic 1,3-dipolar compound - Allyl-type 1,3-dipolar organic compound - Propargyl-type 1,3-dipolar organic compound - Organic salt - Organic oxygen compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organic nitrogen compound - Carbonyl group - Organic cation - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alpha amino acid esters. These are ester derivatives of alpha amino acids.
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
K2219380Certificate of AnalysisSep 11, 2025 B357010
K2219368Certificate of AnalysisSep 11, 2025 B357010
F2513099Certificate of AnalysisNov 28, 2022 B357010
Chemical and Physical Properties
Melt Point(°C)67° C
Molecular Weight338.360 g/mol
XLogP33.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count6
Rotatable Bond Count7
Exact Mass338.148 Da
Monoisotopic Mass338.148 Da
Topological Polar Surface Area110.000 Ų
Heavy Atom Count24
Formal Charge0
Complexity458.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
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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