7-Amino-3-cephem-4-carboxylic acid
Bayanan asali:
Laƙabin Ingilishi:
7-ANCA;7-AMOCA;(6R,7R) -7-AMIno-8-oxo-5-thia-1-azabicyclo[4.2.0] oct-2-ene-2-carboxylicAcid;7-NACA;7- NACA,7-ANCA;7-ANCAChemicalbookimpurity;CeftizoximeImpurity9;CeftizoximeImpurity16;Ceftizoximeintermediate(7-anca);7-amino-3-cephem-4-carboxylicacid
Lambar CAS: 36923-17-8
Tsarin kwayoyin halitta: C7H8N2O3S
Nauyin Kwayoyin: 200.21
Lambar EINECS: 609-312-7
Tsarin tsari:
Rukunin da ke da alaƙa: Matsakaicin kwayoyin halitta;Matsakaicin magunguna;Kayan albarkatun magunguna.
Matsayin narkewa: 215-218 ° C
Matsayin tafasa: 536.9 ± 50.0 °C (An annabta)
Yawan yawa: 1.69± 0.1g / cm3 (An annabta)
Fihirisar magana: 1.735 (kimanta)
Matsakaicin filasha: 278.508°C
Solubility: Mai narkewa a cikin maganin ruwa na acidic (dan kadan, mai zafi), DMSO (dan kadan).Properties: Fari ko fari crystalline foda.
Matsin tururi: 0mmHg a 25°C
| ƙayyadaddun bayanai | naúrar | misali |
| Bayyanar | Fari ko fari crystalline foda | |
| Babban abun ciki | % | ≥98.5% |
| Danshi | % | ≤1 |
| Mono matasan | % | ≤0.5 |
| Jimlar rikice-rikice | % | ≤1 |
Cephalosporin, ana amfani dashi azaman matsakaici na cefbutan da cefazoxime.
Sulfuric acid (104.3mL, 1.92mol) an sanya shi cikin kwalabe uku, sa'an nan kuma an ƙara isophthalic acid (40g, 0.24mol), a zuga kuma mai tsanani zuwa 60 ℃, ana gudanar da shi don 0.5h, da 60% nitric acid (37.8g, 0.36). mol) an ƙara don sarrafa digiri na hanzarin droplet.Ƙara shi a cikin 2 hours.Bayan haka, yanayin kiyaye zafi a 60 ℃ na awanni 2.Yi sanyi zuwa ƙasa da 50 ° C, sannan ƙara 100ml na ruwa.An sanyaya kayan zuwa dakin zafin jiki, an zuba a cikin tacewa, an zubar da shi don cire acid din da aka zubar, an wanke kek ɗin da ruwa, an zubar da shi don sake sakewa, kuma samfurin fari ya kasance gram 34.6, yawan amfanin ƙasa shine 68.4%.
20Kg ko 25Kg/ guga, bokitin kwali, wanda aka yi masa layi da farin Layer da jakar polyethylene baki.2℃-8 ℃ bushe, wuri mai sanyi, nesa da ajiyar haske, mai aiki na shekaru 2.
