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3,7,16-Trihydroxystigmast-5-ene

$1,376

  • Brand : BIOFRON

  • Catalogue Number : BN-O1579

  • Specification : 98%(HPLC)

  • CAS number : 289056-24-2

  • Formula : C29H50O3

  • Molecular Weight : 446.7

  • PUBCHEM ID : 71307331

  • Volume : 5mg

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Catalogue Number

BN-O1579

Analysis Method

HPLC,NMR,MS

Specification

98%(HPLC)

Storage

-20℃

Molecular Weight

446.7

Appearance

Powder

Botanical Source

This product is isolated and purified from the herbs of Walsura robusta

Structure Type

Steroids

Category

Standards;Natural Pytochemical;API

SMILES

CCC(CCC(C)C1C(CC2C1(CCC3C2C(C=C4C3(CCC(C4)O)C)O)C)O)C(C)C

Synonyms

Stigmast-5-ene-3,7,16-triol

IUPAC Name

(8S,9S,10R,13S,14S,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,7,16-triol

Density

1.1±0.1 g/cm3

Solubility

Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.

Flash Point

232.9±24.7 °C

Boiling Point

566.2±50.0 °C at 760 mmHg

Melting Point

InChl

InChI=1S/C29H50O3/c1-7-19(17(2)3)9-8-18(4)27-25(32)16-23-26-22(11-13-29(23,27)6)28(5)12-10-21(30)14-20(28)15-24(26)31/h15,17-19,21-27,30-32H,7-14,16H2,1-6H3/t18-,19-,21?,22+,23+,24?,25?,26-,27+,28+,29+/m1/s1

InChl Key

GSNYNPKRIFCZGN-DZBXCDHOSA-N

WGK Germany

RID/ADR

HS Code Reference

2933990000

Personal Projective Equipment

Correct Usage

For Reference Standard and R&D, Not for Human Use Directly.

Meta Tag

provides coniferyl ferulate(CAS#:289056-24-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of coniferyl ferulate are included as well.>> amp version: coniferyl ferulate

No Technical Documents Available For This Product.

PMID

23818817

Abstract

The turn of the new millennium was accompanied by a particularly diverse group of burned area datasets from different sensors in the Canadian boreal forests, brought together in a year of low global fire activity. This paper provides an assessment of spatial and temporal accuracy, by means of a fire-by-fire comparison of the following: two burned area datasets obtained from SPOT-VEGETATION (VGT) imagery, a MODIS Collection 5 burned area dataset, and three different datasets obtained from NOAA-AVHRR. Results showed that burned area data from MODIS provided accurate dates of burn but great omission error, partially caused by calibration problems. One of the VGT-derived datasets (L3JRC) represented the largest number of fire sites in spite of its great overall underestimation, whereas the GBA2000 dataset achieved the best burned area quantification, both showing delayed and very variable fire timing. Spatial accuracy was comparable between the 5 km and the 1 km AVHRR-derived datasets but was remarkably lower in the 8 km dataset leading, us to conclude that at higher spatial resolutions, temporal accuracy was lower. The probable methodological and contextual causes of these differences were analyzed in detail.

Title

A Comparative Analysis of Burned Area Datasets in Canadian Boreal Forest in 2000

Author

Laia NúNez-Casillas, 1 ,* Jose Rafael Garcia Lazaro, 2 Jose Andres Moreno-Ruiz, 2 and Manuel Arbelo 1

Publish date

2013;


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