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HomeProduct name listFMOC-Ala-OH

FMOC-Ala-OH

Synonym(s):Fmoc-Ala-OH;FMOC-?-ALA-OH;Fmoc-L-alanine;N-α-Fmoc-L-alanine monohydrate;N-β-Fmoc-β-alanine

  • CAS NO.:35661-39-3
  • Empirical Formula: C18H17NO4
  • Molecular Weight: 311.33
  • MDL number: MFCD00037139
  • EINECS: 252-660-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-05-31 17:33:32
FMOC-Ala-OH Structural

What is FMOC-Ala-OH?

Chemical properties

white to light yellow crystal powde

The Uses of FMOC-Ala-OH

N-Fmoc-L-alanine is potentially useful for proteomics studies and solid phase peptide synthesis techniques. Alanine is one of the simplest amino acids - a methyl group as the side chain. This small side chain confers a high degree of flexibility when incorporated into a polypeptide chain. The Fmoc group is typically removed with a base such as pyridine - an orthogonal de-protection strategy to the acid labilie Boc group.

Preparation

A solution of the Fmoc-OX derivatives (20 mmol) in 100 mL acetone was added dropwise to a stirred solution of Alanine (20 mmol) and NaHCO3(50 mmol) in 100 mL water. After stirring overnight the reaction mixture was concentrated under reduced pressure and then extracted with CH2Cl2(50 mL) to remove the unreacted Fmoc-OX derivatives. The reaction mixture was cooled and acidified with 10% HCl to congo red litmus paper to give a white solid, which was filtered and washed with water several times, dried to give a white solid (FMOC-Ala-OH).Yield=89.5%.
synthesis of FMOC-Ala-OH

Description

Fmoc-Ala-OH (U-13C3, U-15N) is an Fmoc protected alanine derivative labeled with C13 and N15.

Properties of FMOC-Ala-OH

Melting point: 147-153 °C (lit.)
Boiling point: 451.38°C (rough estimate)
alpha  -19 º (c=1,DMF)
Density  1.2626 (rough estimate)
refractive index  -18.5 ° (C=1, DMF)
storage temp.  Store below +30°C.
solubility  DMSO (Slightly), DMF (Sparingly), Methanol (Slightly)
form  Solid
pka 3.91±0.10(Predicted)
color  White
optical activity [α]20/D 18°, c = 1 in DMF
Water Solubility  Soluble in water.
BRN  2225975
CAS DataBase Reference 35661-39-3(CAS DataBase Reference)

Safety information for FMOC-Ala-OH

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for FMOC-Ala-OH

InChIKey QWXZOFZKSQXPDC-NSHDSACASA-N

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