3,4-?????????
|
|
3,4-????????? ??
- ???
- 262 °C (dec.) (lit.)
- ?? ?
- 295.67°C (rough estimate)
- ??
- 1.5216 (rough estimate)
- ???
- 1.6280 (estimate)
- ?? ??
- Keep in dark place,Sealed in dry,Room Temperature
- ???
- 2.34g/L
- ?? ?? (pKa)
- 1.00±0.10(Predicted)
- ??? ??
- ?? ??? ??
- ??
- ???? ?? ????
- ???
- 2.34g/L(25℃)
- Merck
- 14,2283
- BRN
- 137242
- InChI
- InChI=1S/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12)
- InChIKey
- MUYSADWCWFFZKR-UHFFFAOYSA-N
- SMILES
- C1=NC=CC(C(O)=O)=C1C(O)=O
- CAS ??????
- 490-11-9(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | Xi | ||
|---|---|---|---|
| ?? ???? ?? | 36/37/38 | ||
| ????? | 26-36-24/25 | ||
| WGK ?? | 3 | ||
| ?? ?? | IRRITANT | ||
| HS ?? | 29333999 | ||
| ???? ??? | 11 - Combustible Solids | ||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
3,4-????????? C??? ??, ??, ??
??? ??
white to slightly beige fine crystalline powderPurification Methods
Crystallise the acid from H2O or dilute aqueous HCl. It has also been purified via the dimethyl ester which is distilled (b 95-100o/1.5mm) and hydrolysed with 3.5N HCl, evaporated and recrystallised. [Armarego & Evans J Appl Chem 12 45 1962, Foye et al. J Med Chem 9 61 1966, Beilstein 22 H 155, 22 I 534, 22 II 106, 22 III/IV 1641, 22/4 V 135.]3,4-????????? ?? ?? ? ???
???
?? ??
3-Hydroxypyridine-4-carboxaldehyde
3-AMINO-4-PYRIDINECARBOXYALDEHYDE HYDROCHLORIDE
3-?????????????
3-Aminoisonicotinic acid
3-AMINO-ISONICOTINIC ACID METHYL ESTER
3-TERT-??????????-??????
3-(9H-FLUOREN-9-YLMETHOXYCARBONYLAMINO)-ISONICOTINIC ACID
3-(2,2-???-????????)-??????
4-(METHOXYCARBONYL)NICOTINIC ACID
3-AMINO-ISONICOTINIC ACID ETHYL ESTER
3-HYDROXY-4-PYRIDINECARBOXYLIC ACID
(3-AMINO-PYRIDIN-4-YL)-METHANOL
??3-????????????
4-???????-????
3,4-???????????
4-???????-???-3-OL
3-IODOISONICOTINIC ACID
3-AMINO-PYRIDINE-4-CARBALDEHYDE
Ethyl isonicotinate
4-CARBAMOYLPYRIDINE-3-CARBOXYLIC ACID
3,4-????????? ??????
3,4-????????? ?? ??
???( 389)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 |
Sibel@chuanghaibio.com | China | 8738 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 |
niki@zlchemi.com | China | 7245 | 58 |
| Capot Chemical Co.,Ltd. | +86-（0）57185586718 +86-13336195806 |
sales@capot.com | China | 29640 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21587 | 55 |
| Shanghai Zheyan Biotech Co., Ltd. | 18017610038 |
zheyansh@163.com | CHINA | 3619 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29815 | 58 |
| Zhejiang ZETian Fine Chemicals Co. LTD | +8618957127338 |
stella@zetchem.com | China | 2994 | 58 |
| Shenzhen Nexconn Pharmatechs Ltd | +86-755-89396905 +86-15013857715 |
admin@nexconn.com | China | 10403 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 |
sales@alchempharmtech.com | United States | 63687 | 58 |
| Shenzhen Excellent Biotech Co., Ltd. | 13480692018 |
ramyan@ex-biotech.com | CHINA | 954 | 58 |