p-Nitrophenyl-β-D-Galactopyranoside

MDL：
MFCD00063256

Molecular Formula：
C12H15NO8

Molecular Weight：
301.25

Alias：
4-硝基苯基-β-D-吡喃半乳糖苷 pNPG 4-Nitrophenyl β-D-galacto­pyran­oside

Product order：

Name	Specifications	Packing	Price	Delivery
p-Nitrophenyl-β-D-Galactopyranoside	98%	25g	RMB 2145	Consulting service
p-Nitrophenyl-β-D-Galactopyranoside	98%	5g	RMB 825	Consulting service
p-Nitrophenyl-β-D-Galactopyranoside	99%	25g	RMB 7315	Consulting service
p-Nitrophenyl-β-D-Galactopyranoside	99%	5g	RMB 1672	Consulting service
p-Nitrophenyl-β-D-Galactopyranoside	99%	1g	RMB 528	Consulting service

Character：
熔点：178-182℃

Quality Standard：
项目                                     高纯级    
                                      (High Pure Grade)
外观Appearance                          白色至浅黄色结晶粉末
红外光谱鉴定Infrared spectrometry       和对照品匹配
纯度Purity                              ≥99.0% (HPLC)
4-硝基苯酚4-Nitrophenol:                ≤0.01 %  
水分Water (K.F.):                       ≤3 %
比旋光度Specific rotation               -83° - -87° (c=1, H2O)

项目                                    生化试剂级    
                                        (BC)
水溶性实验Solubility (1%, Water)(P/F)   合格
纯度Purity                              ≥98.0% (HPLC)
比旋光度Specific rotation               -68° - -72°(c=1, H2O)

Storage：
储存温度： −20°C
用途  测定β-半乳糖苷酶的底物。