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半乳糖苷

  •  369-07-3, ONPG, 邻硝基苯基- b -D-半乳糖苷, CAS: 369-07-3
 369-07-3, ONPG, 邻硝基苯基- b -D-半乳糖苷, CAS: 369-07-3

369-07-3, ONPG, 邻硝基苯基- b -D-半乳糖苷, CAS: 369-07-3

  • CAS:369-07-3
  • C12H15NO8 / 301.25
  • MFCD00063255
  • 产品描述: 369-07-3, ONPG, 2-Nitrophenyl-β-D-galactopyranosid, CAS: 369-07-3
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2-Nitrophenyl b-D-galactopyranoside - non-animal origin

CAS No:
369-07-3
Synonyms:
ONPG
MDL No:
MFCD00063255
Chemical Formula:
C12H15NO8
Molecular Weight:
301.25
Product Structure
COA:

Product name2-Nitrophenyl-β-D-galactopyranoside         

CAS: 369-07-3      M.F.: C12H15O8        M.W.301.25      

Items

Standards

Results

Appearance

White or off-white crystal powder

Complies

Solubility

Soluble in DMF or hot and

insoluble in ether

Complies

Color and Turbidity

in 15mg/ml  in water

Colorless or light yellow and clear

Comply

NMR and MS

Should comply

Comply

Specific rotation

[α]20/D, in water

-68  ~  -72°

-70°

Melting point

186-193 °C (Dec.)

188-190

Carbon

46.9 - 48.8 %

Complies

Nitrogen

4.5 - 4.8 %

Complies

Loss weight on dryness

Max. 0.5%

0.11%

Residue on ignition

0.5% max

0.2%

Heavy metals

Max. 20 ppm

Complies

Assay by HPLC

Min. 98%

99.2%

Purity (Enzymatic)

Min. 98%

Complies

References:
1. Maruhn D, Clin. Chim. Acta 1976, 73, 453
2. Levvy GA, Conchie J, Methods Enzymol. 1966, 8, 571-84
3. Naider F, et al., Biochemistry 1972, 11, 3202-7


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