ChemicalBook CAS DataBase List Cephalexin

Cephalexin

$6 - $957.1

Product nameCephalexin
Cas No15686-71-2
MFC16H17N3O4S
MW347.39
EINECS239-773-6
MDL NumberMFCD04966776

Synonyms

(6r-(6alpha,7beta(r*)))-ino)-3-methyl-8-oxo ;5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid,7-((aminophenylacetyl)am ;5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid,7-(2-amino-2-phenylaceta ;7-(d-2-amino-2-phenylacetamido)-3-methyl-delta(sup3)-cephem-4-carboxylica ;7-(d-2-amino-2-phenylacetamido)-3-methyl-delta3-cephem-4-carboxylicacid ;7-(d-alpha-aminophenylacetamido)desacetoxycephalosporanicacid ;7-beta-(d-alpha-amino-alpha-phenylacetylamino)-3-methyl-3-cephem-4-carboxyli ;cefa-iskia

Price

Brand	Packaging	Price	Product name
AHH API-1053	250g	$350	Cephalexin
Alfa Aesar J63172	25g	$294	Cephalexin hydrate, 97+%
Alfa Aesar J63172	5g	$80.5	Cephalexin hydrate, 97+%
Alfa Aesar J67377	25ml	$35.7	Cephalexin, 50 mg/ml in 1M ammonium hydroxide, sterile-filtered
Alfa Aesar J67377	50ml	$62	Cephalexin, 50 mg/ml in 1M ammonium hydroxide, sterile-filtered
Ambeed A207478	100g	$54	(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid
Ambeed A207478	1g	$6	(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid
Ambeed A207478	5g	$8	(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid
Ambeed A207478	10g	$11	(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid
Ambeed A207478	25g	$22	(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid

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Properties

Melting point	196-198°C
alpha	[α]D20 +144～+158° (c=0.5, H2O) (Calculated on dehydrous basis)
Boiling point	727.4±60.0 °C(Predicted)
Density	1.3040 (rough estimate)
refractive index	1.6320 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,2-8°C
solubility	NH₄OH 1 M: 50 mg/mL, clear, yellow
pka	5.2, 7.3(at 25℃)
PH	pH (5g/l, 25℃) 3.5～5.5
Water Solubility	12.5g/L(25 ºC)
Merck	13,1986
BCS Class	4
InChIKey	AVGYWQBCYZHHPN-CYJZLJNKSA-N
CAS DataBase Reference	15686-71-2(CAS DataBase Reference)
EPA Substance Registry System	5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-, (6R,7R)- (15686-71-2)

Cephalexin

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