437719

Sigma-Aldrich

Pyridine-d5

99 atom % D, contains 0.03 % (v/v) TMS

Synonym(s):
Pentadeuteropyridine
Empirical Formula (Hill Notation):
C5D5N
CAS Number:
Molecular Weight:
84.13
Beilstein/REAXYS Number:
114377
EC Number:
MDL number:
PubChem Substance ID:

isotopic purity

99 atom % D

assay

99% (CP)

contains

0.03 % (v/v) TMS

refractive index

n20/D 1.506 (lit.)

bp

114.4 °C (lit.)

density

1.05 g/mL at 25 °C (lit.)

mass shift

M+5

SMILES string

[2H]c1nc([2H])c([2H])c([2H])c1[2H]

InChI

1S/C5H5N/c1-2-4-6-5-3-1/h1-5H/i1D,2D,3D,4D,5D

InChI key

JUJWROOIHBZHMG-RALIUCGRSA-N

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Certificate of Analysis

Certificate of Origin

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Fitoterapia, 102, 67-73 (2015-02-24)
Five new diarylheptanoids (1-5), along with nine known ones (6-14), were isolated from the rhizomes of Curcuma kwangsiensis. Their structures were established on the basis of spectroscopic analyses. Compounds 1-3 were cyclic diarylheptanoids rarely discovered from C. kwangsiensis. Of all...
Yu Shan et al.
Molecules (Basel, Switzerland), 20(11), 20334-20340 (2015-11-17)
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For the first time, a systematic phytochemical study was performed on the roots of Marsdenia tenacissima. Finally, sixteen new polyoxypregnane glycosides, marstenacissides A1-A7 (1-7) and marstenacissides B1-B9 (8-16), were isolated from M. tenacissima roots. The structures of these new compounds...
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Five new steroidal saponins (1-5) were isolated from the fermentation broth of total furostanol glycosides from tubers of Dioscorea zingiberensis C.H. Wright incubated with a fungal, Absidia coerulea AS 3.3389, along with known saponins, zingiberensis new saponin (6), deltonin (7)...
Indra Prakash et al.
Natural product communications, 9(8), 1135-1138 (2014-09-23)
We report the isolation and complete structure of an isomer of rebaudioside D, known as rebaudioside D2. This novel steviol glycoside was isolated from a bioconversion reaction of rebaudioside A to rebaudioside D. Rebaudioside D2 possesses a relatively rare 1...

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