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About This Item
Empirical Formula (Hill Notation):
C22H22N6O7S2 · 5H2O
CAS Number:
Molecular Weight:
636.65
UNSPSC Code:
41116107
NACRES:
NA.24
grade
pharmaceutical primary standard
API family
ceftazidime
manufacturer/tradename
EDQM
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-8°C
SMILES string
[s]1c(nc(c1)\C(=N\OC(C)(C)C(=O)[O-])\C(=O)N[C@H]2[C@H]3SCC(=C(N3C2=O)C(=O)[O-])C[n+]4ccccc4)N.O.O.O.O.O.[H+]
InChI
1S/C22H22N6O7S2.5H2O/c1-22(2,20(33)34)35-26-13(12-10-37-21(23)24-12)16(29)25-14-17(30)28-15(19(31)32)11(9-36-18(14)28)8-27-6-4-3-5-7-27;;;;;/h3-7,10,14,18H,8-9H2,1-2H3,(H4-,23,24,25,29,31,32,33,34);5*1H2/b26-13-;;;;;/t14-,18-;;;;;/m1...../s1
InChI key
NMVPEQXCMGEDNH-TZVUEUGBSA-N
General description
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.
Application
Ceftazidime for peak identification EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.
Packaging
The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.
Other Notes
Sales restrictions may apply.
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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The chimeric bla(CTX-M-123) gene was identified in two ceftazidime-resistant Escherichia coli isolates from animals in different Chinese provinces. Like other CTX-M-1/9 group hybrids (CTX-M-64 and CTX-M-132), the ends (amino acids 1 to 135 and 234 to 291) of CTX-M-123 match