7-amino-3-cepkem-4-carboxylic acid
Cov Lus Qhia Yooj Yim:
Lus Askiv Alias:
7-anca; 7-Amoca; (6R, 7R) -7-Oxo-5-olo-5-olo-5-carboxylicacid; 7-naca; 7-naca,7-anca; 7-ancachemicalInpurity; CenftizoxOneIlrity916;
Naj Npawb: 36923-17-8
Molecular cov mis: c7h8n2o3s
Molecular hnyav: 200.21
Einecs Number: 609-312-7
Cov Qauv Txheej Txheem:
Lwm yam pawg: cov organic intermediates; Tshuaj Nruab Nrab Hluav Taws Xob; Kws muag khoom raw.
Melting taw tes: 215-218 ° C
Boint Taw tes: 536.9 ± 50.0 ° C (kwv yees)
Ceev: 1.69 ± 0.1g / CM3 (kwv yees)
Cov ntsiab lus tsis pub: 1.735 (kwv yees)
Flash Point: 278.508 ° C
Solubility: soluble hauv acidic aqueous daws (me ntsis, rhuab), dmo (me ntsis). Cov Khoom: Dawb dawb lossis dawb crystalline hmoov.
Vapor siab: 0mmHG ntawm 25 ° C
| kev qhia tshwj xeeb | ib yam | lub hom phiaj |
| Kev tshwm sim | Dawb lossis dawb crystalline hmoov | |
| Cov ntsiab lus tseem ceeb | % | ≥98.5% |
| Dej | % | 15 xyoos |
| Mono hybrid | % | I≤0.5 |
| Tag Nrho Cov Nyeg | % | 15 xyoos |
Cephaporin, siv los ua kev kawm nruab nrab ntawm cov cefbutan thiab cefazoxime.
Hnov cov txiv lws suav sulfuric acid (104.3ml, 1.92Mol) tau ntxiv rau 60 ℃, tuav tau ntxiv, 40s, 0.36Mol) tau ntxiv los tswj cov degret nrawm. Ntxiv nws hauv 2 teev. Tom qab ntxiv, tiv thaiv kom sov kom tiv thaiv thaum 60 ℃ rau 2 teev. Txias rau hauv qab no 50 ° C, tom qab ntawd ntxiv 100ml ntawm dej. Cov khoom siv tau txias rau chav sov, nchuav rau cov khib nyiab, ua kom cov roj ntsha tau ntxuav, thiab cov khoom siv lim dej yog 34.6 grams, cov txiaj ntsig yog 68.4%.
20kg lossis 25kg / thoob, thawv duab qhia thoob, hlua nrog cov txheej dawb thiab lub hnab polyethylene dub. 2 ℃ -8 ℃ qhuav qhuav, txias qhov chaw, nyob ntawm lub teeb cia, siv tau rau 2 xyoo.
