活化糖基供体

3068-32-4, 溴代半乳糖四乙酸酯, Acetobromo-α-D-galactose, CAS: 3068-32-4

CAS: 3068-32-4
C14H19BrO9 / 411.2
MFCD00063686
产品描述：a-D-Acetobromogalactose 1-Bromo-2,3,4,6-tetra-O-acetyl-a-D-galactopyranose a-Acetobromo-D-galactose
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CAS No:	3068-32-4
Synonyms: a-D-Acetobromogalactose 1-Bromo-2,3,4,6-tetra-O-acetyl-a-D-galactopyranose a-Acetobromo-D-galactose
MDL No:	MFCD00063686
Chemical Formula:	C₁₄H₁₉BrO₉
Molecular Weight:	411.20

Product Structure

COA:

2,3,4,6-Tetra-O-acetyl-a-D-galactopyranosyl Bromide; Acetobromo-alpha-D-galactose

M.F.: C₁₄H₁₉BrO₉ M.W._: 411.20 CAS: 3068-32-4

*Items*	*Standards*	*Results*
Appearance	White crystal powder	Complies
Solubility	Insoluble in water, soluble in ether	Complies
NMR and MS	Should comply	Complies
Identification	IR and HPLC	Complies
M.P.	80℃ ～ 85℃	83℃ -85℃
Loss weight on drying	Max.0.5%	0.1%
[α]^20/D (in CHCl₃)	+ 215^o ～ +220^o	+ 217.6^o
Any other impurity	Max. 2%	Complies
Assay by TLC	Should be one spot	Complies
Assay by HPLC	Min. 95%	98.4%

References:

1. Matta KL, Barlow JJ, Carbohydr. Res. 1976, 48, p65-71

上一个：572-09-8,溴代葡萄糖四醋酸酯, Acetobromo -α-D-glucose, 下一个：186689-07-6, 2-NBDG

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