Tsev / Cov khoom / Organic Chemistry / Tshuaj Reagents / Ntsiab lus

Cov khoom

CAS: 1990-29-0 D-ALTROSE

Cov mis mos molecular: C12H25LiO4S
Molecular Luj: 272.33
EINECS: 218-058-2
Purity: 97% Min.
Pob: 5g / 25g / 100g
Lub Sijhawm Lead: Hauv Tshuag
Kev xa khoom: DHL / FEDEX / UPS lossis Los ntawm hiav txwv
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Khoom Taw qhia

Taw qhia
Altrose yog aldohexose qab zib. D-Altrose yog ib qho monosaccharide unnatural. Nws yog soluble hauv dej thiab xyaum insoluble hauv methanol. Txawm li cas los xij, L-altrose tau raug cais tawm ntawm cov kab mob ntawm cov kab mob Butyrivibrio fibrisolvens.
Altrose yog C-3 epimer ntawm mannose. Lub nplhaib conformation ntawm -Altropyranoside yog hloov tau piv rau feem ntau lwm yam aldohexopyranosides, nrog idose li kev zam. Hauv kev daws cov derivatives sib txawv ntawm altrose tau pom tias tuav ob qho tib si 4C1, OS2 thiab 1C4-conformations.

Specification ntawm CAS: 1990-29-0 D-ALTROSE

Yam khoom	SPECIFICATION
Melting point	106-108 degree
alpha	D20 ntxiv rau 32.6 degree (c=7.6)
cia temp.	2-8 degree
Merck	13,319
xim	Dawb mus rau dawb
Refractive Index	1.5860 (kwv yees)
daim ntawv	Hmoov
ceev	1.581
Boiling point	232.96 degree
pka ua	12.45±0.20
kev ua haujlwm kho qhov muag	[ ]/D 33.0± 2.0 degree , c=0.2 hauv H2O
BRN	1724621
CAS DataBase Reference	1990-29-0(CAS DataBase Reference)