Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid

Modify Date: 2026-06-30 12:50:06

Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid Structure
Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid structure
Common Name Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid
CAS Number 269726-86-5 Molecular Weight 304.341
Density 1.2±0.1 g/cm3 Boiling Point 498.6±45.0 °C at 760 mmHg
Molecular Formula C16H20N2O4 Melting Point 85 °C
MSDS Chinese USA Flash Point 255.4±28.7 °C

Summary: Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid, also known as (R)-Boc-4-cyanobenzylalanine, has a CAS number of 269726-86-5. Its molecular formula is C16H20N2O4 and molecular weight is 304.341. It is a white powder with a melting point of 85°C and boiling point of 498.6±45.0°C, and a density of 1.2±0.1 g/cm3. For research use only, not for medical or clinical use.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.2±0.1 g/cm3
Boiling Point 498.6±45.0 °C at 760 mmHg
Melting Point 85 °C
Molecular Formula C16H20N2O4
Molecular Weight 304.341
Flash Point 255.4±28.7 °C
Exact Mass 304.142303
PSA 99.42000
LogP 2.48
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.553
InChIKey UXSGGQWSQPYJTQ-CYBMUJFWSA-N
SMILES CC(C)(C)OC(=O)NC(CC(=O)O)Cc1ccc(C#N)cc1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid Structure

Boc-(R)-3-amino...

CAS#:269726-86-5

Learn More
Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 14, # 18 p. 4759 - 4762

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

(3R)-3-Amino-4-(4-cyanophenyl)-5-[(2-methyl-2-propanyl)oxy]-5-oxopentanoic acid
boc-(r)-3-amino-4-(4-cyano-phenyl)-butyric acid
(3R)-4-(4-Cyanophenyl)-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)butanoic acid
MFCD01860981

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the upstream materials of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: Related upstream materials(CAS) of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid: 146727-62-0.
Q: What is the molecular weight of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: Molecular weight of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is 304.341.
Q: What is the polar surface area (PSA) of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: Polar surface area (PSA) of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is 99.42000.
Q: What is the safety information for Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: Safety information for Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid: S22-S24/25.
Q: What is the SMILES notation of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: SMILES notation of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is CC(C)(C)OC(=O)NC(CC(=O)O)Cc1ccc(C#N)cc1.
Q: What is the InChIKey of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: InChIKey of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is UXSGGQWSQPYJTQ-CYBMUJFWSA-N.
Q: What is the boiling point of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: Boiling point of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is 498.6±45.0 °C at 760 mmHg.
Q: What is the English name of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: The English name of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid.
Q: What is the molecular formula of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid?
A: Molecular formula of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid is C16H20N2O4.
Q: What English synonyms does Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid have?
A: English synonyms of Boc-(R)-3-amino-4-(4-cyanophenyl)-butyric acid: (3R)-3-Amino-4-(4-cyanophenyl)-5-[(2-methyl-2-propanyl)oxy]-5-oxopentanoic acid, boc-(r)-3-amino-4-(4-cyano-phenyl)-butyric acid, (3R)-4-(4-Cyanophenyl)-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)butanoic acid, MFCD01860981.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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