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USGS Spectral Library Version 7 Sample Description

Kokaly, R.F., Clark, R.N., Swayze, G.A., Livo, K.E., Hoefen, T.M., Pearson, N.C., Wise, R.A., Benzel, W.M., Lowers, H.A., Driscoll, R.L., and Klein, A.J., 2017, USGS Spectral Library Version 7: U.S. Geological Survey Data Series 1035, 61 p., https://doi.org/10.3133/ds1035
For more information on the library, see: local link web link

TITLE: Cytosine SA-C3506 DESCRIPT

DOCUMENTATION_FORMAT: VOLATILE

SAMPLE_ID: Cytosine SA-C3506

MATERIAL_TYPE: Pyrimidine Derivative, Nucleobase

MATERIAL: Cytosine

FORMULA: C4H5N3O

FORMULA_HTML: C4H5N3O

COLLECTION_LOCALITY: Purchased from Sigma Aldrich chemistry

COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)

COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)

DATUM: Not Available # coordinate datum

ORIGINAL_DONOR:

CURRENT_SAMPLE_LOCATION: USGS Spectroscopy Lab, Denver, CO

ULTIMATE_SAMPLE_LOCATION: USGS Spectroscpy Lab, Denver, CO

SAMPLE_DESCRIPTION:

White powder
Other Names: Cytosine, 4-Amino-2-hydroxypyrimidine, 4-amino-2-pyrimidinol, Cytosinimine
CAS #: 71-30-7
Sigma Aldrich Product #: C3506
Sigma Aldrich Lot #: 129K2576V
Sigma Aldrich Analysis
APPEARANCE: White powder
SOLUBILITY: Colorless (COLOR), Clear (TURBIDITY)
EmM, AT LAMBDA MAX 275-276 NM AT pH 1.0: 10.4
WAVELENGTH, EmM = 9.9-10.4, AT pH 1.0: 275 nm
PURITY (HPLC): 100%

IMAGE_OF_SAMPLE: None

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: Analysis done by Sigma Aldrich, The Certificate of Analysis can be found on the Sigma Aldrich Website using the Product and Lot Numbers.

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1a2a3a4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns