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3-(3,4-Dihydroxyphenyl)-2-methyl-L-alanine sesquihydrate
SpectraBase Compound ID BBpLaJ7uAkw
InChI InChI=1S/2C10H13NO4.3H2O/c2*1-10(11,9(14)15)5-6-2-3-7(12)8(13)4-6;;;/h2*2-4,12-13H,5,11H2,1H3,(H,14,15);3*1H2/t2*10-;;;/m00.../s1
InChIKey YKFCISHFRZHKHY-NGQGLHOPSA-N
Mol Weight 238.24 g/mol
Molecular Formula C10H13NO4·3/2H2O
Exact Mass 238.100305 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID A9zU0ivNGnA
Name 3-(3,4-Dihydroxyphenyl)-2-methyl-L-alanine sesquihydrate
Source of Sample TCI Chemicals India Pvt. Ltd.
Catalog Number D1817
Lot Number WOJKG-SH
Accessory DuraSample IR #145404C7
Acquisition Mode double sided, forward-backward
Actual Signal Gain 16
Actual Signal Gain 2nd Channel 1
Additional Data Treatment 1
Analog Signal 1 0.270562
Analog Signal 2 0
Aperture Setting 6 mm
Apodization Function Norton-Beer, medium
Background Measurement Channel Sample Compartment
Background Peak Amplitude 2nd Channel 1
Background Peak Location 2nd Channel 1
Background Rotations 32
Background Scans 32
Background Scans or Time Scans
Backward Peak Amplitude -1345
Backward Peak Location 7371
Beam Splitter Setting KBr
CAS Registry Number 555-30-6
Color Properties White
Container ID C-010360
Copyright Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Data Point Format 1
Delay Before Measurement 1 s
Detector Setting RT-DLaTGS [Internal]
End Frequency Limit for File 340
External Synchronization Off
Focal Length 100
Formula C10H16NO5.5
Frequency of First Point 3998.31 cm⁻¹
Frequency of Last Point 339.461 cm⁻¹
High Folding Limit 15800.4
High Frequency Limit 8000 cm⁻¹
High Pass Filter 0
InChI InChI=1S/2C10H13NO4.3H2O/c2*1-10(11,9(14)15)5-6-2-3-7(12)8(13)4-6;;;/h2*2-4,12-13H,5,11H2,1H3,(H,14,15);3*1H2/t2*10-;;;/m00.../s1
InChIKey YKFCISHFRZHKHY-NGQGLHOPSA-N
Instrument Name Bruker Tensor 27 FT-IR
Laser Wavenumber 15800.4 cm⁻¹
Low Folding Limit 0
Low Frequency Limit 0
Low Pass Filter 10
Measurement Channel Sample Compartment
Non Linearity Correction 0
Number of Points 3795
Number of Sample Scans 32
Optical Filter Setting Open
Peak Amplitude -1484
Peak Amplitude 2nd Channel 1
Peak Location 7365
Peak Location 2nd Channel 1
Phase Correction Mode Mertz
Phase Resolution 8
Preamplifier Gain 3
Preamplifier Gain Background 0
Purity >98.0%
Relative Humidity Interferometer 0 %
Resolution 4
SKU D1817-5G
SMILES O.OC([C@](Cc1cc(c(cc1)O)O)(N)C)=O
Sample Rotations 32
Sample Scans or Time Scans
Sample Spacing Divisor 1
Sample Spacing Multiplicator 1
Scan Time 27.299 s
Scanner Temperature 29.8 °C
Scanner Velocity 10 kHz
Signal Gain, Background automatic
Signal Gain, Sample automatic
Source of Spectrum Bio-Rad Laboratories, Inc.
Start Frequency Limit for File 4000 cm⁻¹
Synonyms Methyldopa sesquihydrate; α-Methyl-L-DOPA sesquihydrate; (2S)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid sesqihydrate
Technique ATR-Neat
Zero Filling Factor 4