7240-90-6,X-gal,5-溴-4-氯-3-吲哚基-β-D-吡喃半乳糖苷,CAS:7240-90-6
作者：7240-90-6,X-gal,5-溴-4-氯-3-吲哚基-β-D-吡喃半乳糖苷,CAS:7240-90-6 发布时间：2022-09-13 17:34:56
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7240-90-6,X-gal,5-Bromo-4-chloro-3-indolyl-beta-D-galactoside, CAS:7240-90-6
C14H15BrClNO6 / 408.63
MFCD00005666COA:
Name: 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside, X-gal
CAS: 7240-90-6 M.F.: C14H15BrClNO6 M.W.: 408.63
Items
Standards
Results
Appearance
White crystalline power
Positive
Solubility
Soluble in DMF and
insoluble in ether
Positive
NMR and MS
Should comply
Complies
Identification
IR and TLC
Positive
M.P.
200℃ ~ 230℃
205℃ ~230℃
[a]20D [C=1 inH2O/DMF 1:1]
-60o ~ -65o
-63.8o
Loss Weight On Dryness
Max. 1%
Complies
Alpha-Isomer
Max. 0.5%
0
TLC (15%H2SO4-C2H5OH)
Should be one spot
Complies
Assay by HPLC
Min. 98%
99.2%
References:
1. Weiss DJ, Liggitt D, Clark JG, Human Gene Therapy 1997, 8, 13, p1545-1554
2. Engler KH, et al., J. Microbiol. Methods 1999, 35, p207
3. Arakawa H, et al., Anal. Biochem. 1991, 199, p238
