|
        
¡¡
 
Tel:
+86 (21) 6897 9561
Fax:
+86 (21) 6897 9562
Email:
info@asiaron.com
| |
Custom Synthesis
>>>
Pyridine series
[2-Chloro-3-trifluoromethylpyridine] [2-Cyclohexenone] [3-Bromo-5-Methoxybenzyl Alcohol] [3-Bromo-5-Methoxytoluene] [3-Bromobenzenesulfonyl Chloride] [3-Bromo-2-trifluoromethylpyridine] [3-Methoxybenzenesulfonyl Chloride] [3,5-Dibromoanisole] [Indole Series] [5-Chloro-2-picoline] [Featured Items] [Acyclovir] [Clopidogrel] [ethyl 3-oxocyclohexanecarboxylate] [Lansoprazole] [Meropenem] [Omeprazole] [Pantoprazole Sodium] [Pyridine Series] [Valsartan]
Pyridine Series
2-Chloro-4-Nitropyridine
|
Item |
Index |
|
Appearance |
yellow crystalline
powder |
|
Identification
|
complies |
|
Loss on Drying % |
1.0
max. |
|
Assay [C5H3ClN2O2]£¬%
|
98.o
min. |
|
Single Impurity, % |
1.0
max. |
| ¡¡ |
¡¡ |
5-Ethyl-2-Methyl Pyridine
|
Item |
Index |
|
Appearance |
colorless or
transparent liquid |
|
Assay£¬%
|
99.0
min. |
|
Single Impurity, % |
1.0
max. |
|
Water,%
|
0.5
max. |
| ¡¡ |
¡¡ |
3-Acetyl Pyridine
|
Item |
Index |
|
Appearance |
yellowish liquid |
|
Assay£¬%
|
99.0
min. |
|
Related Impurity, % |
0.5
max. |
|
Water,%
|
0.5
max. |
| ¡¡ |
¡¡ |
3-Pyridylacetic Acid Hydrochloride
|
Item |
Index |
|
Appearance |
White crystalline
or crystalline powder |
|
Assay (HPLC)£¬%
|
99.0
min. |
|
Melting Point,¡æ
|
158.0-161.0 |
|
Loss on Drying£¬% |
0.2
max. |
|
Residue on Ignition£¬£¥ |
0.2
max. |
|
Related Impurity, % |
0.3
max. |
| ¡¡ |
¡¡ |
3-Pyridylacetic
Acid
|
Item |
Index |
|
Appearance |
White powder |
|
Assay (HPLC)£¬%
|
99.0
min. |
|
Loss on Drying£¬% |
0.2
max. |
|
Residue on Ignition£¬£¥ |
0.2
max. |
|
Related Impurity, % |
0.3
max. |
| ¡¡ |
¡¡ |
|
