4-Methylumbelliferyl β-D-Galactopyranoside-6-sulfate (sodium salt)
(Synonyms:4-甲基香豆素基-β-D-吡喃半乳糖苷-6-硫酸钠盐;4-甲基-7-[(6-O-磺基-beta-D-吡喃半乳糖基)氧基]-2H-1-苯并吡喃-2-酮单钠盐)
目录号 : KCM12457
CAS No. : 206443-06-3
纯度 : ≥98%
4-Methylumbelliferyl β-D-Galactopyranoside-6-sulfate (sodium salt) (4-MU-Gal-6S) is a fluorogenic substrate used to quantify N-acetylgalactosamine-6-sulphatase (GALNS) activity. 4-MU-Gal-6S is cleaved by GALNS to release the fluorescent moiety 4-MU. 4-MU fluorescence is pH-dependent with excitation maxima of 320 and 360 nm at low (1.97-6.72) and high (7.12-10.3) pH, respectively, and an emission maximum ranging from 445 to 455 nM, increasing as pH decreases. It has been used to detect Morquio disease type A, a lysosomal storage disorder in which GALNS is deficient. 4-MU-Gal-6S can be used to assess GALNS activity in a very small blood volume to determine the extent of deficiency.
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| 分子式 |
C16H17O11S.Na
|
| 分子量 |
440.4
|
| CAS号 |
206443-06-3
|
| 中文名称 |
4-甲基香豆素基-β-D-吡喃半乳糖苷-6-硫酸钠盐
|
| 储存方式 |
| Powder |
-20°C |
3 years |
| |
4°C |
2 years |
| In solvent |
-80°C |
6 months |
| |
-20°C |
1 month |
|