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O-nitrophenyl -β-D- galactopyranoside

O-nitrophenyl -β-D- galactopyranoside
  • O-nitrophenyl -β-D- galactopyranoside
  • O-nitrophenyl -β-D- galactopyranoside
Product code: 23870500001
Unit price: 100 CNY  (14.53 USD)
Price unit: Per piece
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English name : ONPG; o-Nitrophenyl β-D-galactopyranoside; 2-Nitrophenyl β-D-galactopyranoside

Other names : 2- nitrophenyl -β-D- galactopyranoside; 2-nitrophenyl -β-D- galactopyranoside furan
CAS: 369-07-3
C12H15NO8 = 301.25
Level : Ultra Pure Grade
Content : ≥99.0%
Specific rotation : -72 ~ -68 °

Solubility (1%, Water): Pass
pH: 6.8 ~ 7.6
Melting point : 185 ~ 190 ℃
Loss on drying (105 ℃, 3hr): (0.5%
Heavy metal: ( 0.0005%
Characters : white or white crystalline powder soluble in water, methanol, water solubility up to 15mg / ml hygroscopic .
Usage : biochemical research for detecting β- galactosidase (β-galactosidase) activity is β- galactosidase chromogenic substrate by β- galactosidase can produce yellow product after catalysis, in 410. -420nm absorbance wavelength can be detected
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