Taizhou Crene Biotechnology Co., Ltd.

Address:Economic Developed Zone of Taizhou Zhejiang China., Taizhou

Zhejiang, 318000

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Cetuximab Image


CAS Number: 205923-56-4
Cetuximab is an epidermal growth factor receptor (EGFR) inhibitor used for the treatment of metastatic colorectal cancer, metastatic non-small cell lung cancer and head and neck cancer. Cetuximab is a chimeric (mouse/human) monoclonal antibody given by intravenous infusion that is distributed under the trade name Erbitux in the U.S. and Canada by the drug company Bristol-Myers Squibb and outside the U.S. and Canada by the drug company Merck KGaA. In Japan, Merck KGaA, Bristol-Myers Squibb and Eli Lilly have a co-distribution.
Anidulafungin (LY303366) Image

Anidulafungin (LY303366)

CAS Number: 166663-25-8
Anidulafungin (LY303366) is a new semisynthetic echinocandin with antifungal potency. Anidulafungin (LY-303366) has MICs of ≤0.32 μg/mL for all Candida albicans (n=99), Candida glabrata (n=18), and Candida tropicalis (n=10) isolates tested. Anidulafungin is also active against Aspergillus species (minimum effective concentration at which 90% of the isolates are inhibited, 0.02 μg/mL) (n=20), is less active against Candida parapsilosis (MIC at which 90% of the isolates are inhibited [MIC90], 5.12 μg/mL) (n=10), and is inactive against C. neoformans (MIC90 >10.24 μg/mL) (n=15) and B. dermatitidis (MIC90, 16 μg/mL) (n=29).The MICs of Fluconazole for three strains of C. tropicalis, seven strains of C. glabrata, and two strains of Candida krusei are ≥16 μg/mL. The MICs of Anidulafungin for 11 of these 12 strains range from 0.08 to 0.32 mg/mL. The twelfth strain is a C. krusei strain (Fluconazole MIC, 32 μg/mL) for which the Anidulafungin MIC is 1.28 mg/mL. The MIC at which 90% of the isolates are inhibited (MIC90) for these 12 strains is 0.32 μg/mL. The Anidulafungin MIC90 for the remaining 18 C. glabrata isolates and C. tropicalis isolates for which the Fluconazole MICs are ≥ 8 μg/mL is also 0.32 mg/mL. Anidulafungin appeares equally active against Candida species for which the fluconazole MICs are ≥16 mg/mL and against those for which the fluconazole MICs are ≥ 8 μg/mL. Anidulafungin has significantly less activity against C. neoformans and B. dermatitidis than against C. albicans, C. glabrata, and C. tropicalis. Ketoconazole and amphotericin B are the most active antifungal agents tested for both C. neoformans and B. dermatitidis. Anidulafungin demonstrated potent in vitro activity against Aspergillus species with a MEC90 of 0.02 μg/mL. MICs of Anidulafungin for the control strain yeast isolates are 0.02 μg/mL for C. albicans ATCC 90028, 0.16 mg/mL for C. glabrata ATCC 90030, and >10.24 μg/mL for C. neoformans ATCC 90112[1]. Strains selected with CD101 that have a 2-fold or greater CD101 MIC increase also have at least a 2-fold MIC increase for Anidulafungin (ANF) and/or Caspofungin (CSF)[2].
Echinocandin B Image

Echinocandin B

CAS Number: 79411-15-7
Echinocandin B
Properties: Density: 1.6 Boiling Point: 1330.8ºC at 760 mmHg Flash Point: 758.6ºC Refractive Index: 1.689


CAS Number: 1029890-89-8
Synonyms: 1-[(4R,5R)-4,5-Dihydroxy-L-ornithine]echinocandin B hydrochloride (1:1);Echinocandin B nucleus hydrochloride;ECBN;ECBN HCL;1-[(4R,5R)-4,5-Dihydroxy-L-ornithine]echinocandin B hydrochloride;1-[(4R,5R)-4,5-Dihydroxy-L-ornithine]echinocandin B hydrochloride (1;Anidulafungin Nucleus Smiles O=C1N2[C@@](C(N[C@@H]([C@@H](C[C@@H](C(NC([C@H](O)C)C(N3[C@](C[C@@H](O)C3)([H])C(NC([C@H](O)[C@H](C4=CC=C(O)C=C4)O)C(N[C@@]1([H])[C@H](O)C)=O)=O)=O)=O)N)O)O)=O)([H])[C@@H](O)[C@@H](C)C2.Cl InChI InChI=1S/C34H51N7O15.ClH/c1-12-10-41-24(25(12)47)32(54)39-30(52)20(46)9-18(35)28(50)36-21(13(2)42)33(55)40-11-17(45)8-19(40)29(51)38-23(31(53)37-22(14(3)43)34(41)56)27(49)26(48)15-4-6-16(44)7-5-15;/h4-7,12-14,17-27,30,42-49,52H,8-11,35H2,1-3H3,(H,36,50)(H,37,53)(H,38,51)(H,39,54);1H/t12-,13+,14+,17+,18-,19-,20+,21?,22-,23?,24-,25-,26-,27-,30+;/m0./s1
Micafungin sodium Image

Micafungin sodium

CAS Number: 208538-73-2
Micafungin sodium is an inhibitor of 1, 3-beta-D-glucan synthesis, and used as an antifungal drug. Micafungin (10 mg/mL) phenotypicly decreases the formation of biofilm in most of the isolates. For all the genes tested, the levels of mRNA transcription are also decreased significantly in micafungin-treated samples cf. their untreated counterparts[1]. The combination of micafungin and KB425796-C is fungicidal and markedly reduces the number of CFU, in contrast to the fungistatic effects (no reduction in CFU) observed at all examined time points when each drug is used alone[2]. Micafungin (1 mg/kg) significantly prolongs survival compared with mice administered saline. Animals given a combination of micafungin (0.1 mg/kg) and KB425796-C (32 mg/kg) show a trend towards prolonged survival in comparison with those treated with micafungin (0.1 mg/kg) alone. In the livers of micafungin-treated mice, the number of CFUs decreases, although the clearance effect is less than that found in the kidneys. Combination treatment with micafungin and KB425796-C results in a significant decrease in the number of CFUs compared with the treatment with micafungin alone at all examined doses. The clearance effect associated with KB425796-C in combination with micafungin is greater than that observed in AMPH-treated animals[2].
Micafungin FR-179642 impurity acid Image

Micafungin FR-179642 impurity acid

CAS Number: 168110-44-9
FR 179642 is an impurity of Micafungin, a lipopeptide compound that acts as an antifungal agent with activity against Aspergillus and Candida species.
Caspofungin acetate Image

Caspofungin acetate

CAS Number: 179463-17-3
Caspofungin acetate is an lipopeptide antifungal β-1,3-glucan synthase inhibitor. Mice injected with caspofungin at vitreal concentrations from 0.41 to 4.1 μM do not have significant alterations in their ERG waveforms, and their retinas have no detectable morphologic changes or loss of cells. At the vitreal concentration of 41 μM, caspofungin reduces the amplitudes of the a-waves, b-waves, and scotopic threshold responses of the ERG and also produces a decrease in the number of cells in the ganglion cell layer[1]. Caspofungin (8 mg/kg) or amphotericin B at 1 mg/kg given i.p. once daily for 7 days beginning at 30 h after infection resulted in 100% survival through day 28 relative to vehicle control treatment, which results in 100% mortality by day 11 after infectious challenge. Caspofungin reduces recovery of viable Candida from kidney and brain tissues compared to vehicle control treatment on day 5, when control burden peaked. Caspofungin-treated mice dosed with 2 mg/kg or greater have significantly lower brain burden than amphotericin-B-treated mice at day 5. Amphotericin B and caspofungin treatment reduce kidney fungal burden by 1.7 log CFU/g and 2.46 to 3.64 log CFU/g, respectively.
Pneumocandin B0 Image

Pneumocandin B0

CAS Number: 135575-42-7
Pneumocandin B0(L-688786), a key intermediate in the synthesis of the antifungal agent, Cancidas, has led to the identification of several materials with potential for improved performance.