Catalog Num	A16435
Formula	C18H16N8O7S3.7/2H2O.2Na
Molecular Weight	661.6
CAS Number	104376-79-6
SMILES	O=C(C1NC(/C(C2=CSC(N)=N2)=N\OC)=O)N3[C@]1([H])SCC(CSC(N(C)N=C4[O-])=NC4=O)=C3C([O-])=O.O=C(C5NC(/C(C6=CSC(N)=N6)=N\OC)=O)N7[C@]5([H])SCC(CSC(N(C)N=C8[O-])=NC8=O)=C7C([O-])=O.O.O.O.O.O.O.[Na+].[Na+].O.[Na+].[Na+]
Synonyms	Ceftriaxone disodium hemiheptahydrate
Storage	Store lyophilized at -20ºC, keep desiccated. In lyophilized form, the chemical is stable for 36 months. In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Solubility

In vitro	DMSO	1 mg/mL (1.51 mM)
	Water	89 mg/mL (134.51 mM)
	Ethanol	Insoluble
* <1 mg/ml means slightly soluble or insoluble. * Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Preparing Stock Solutions

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
0.1 mM	15.11 mL	75.57 mL	151.15 mL
0.5 mM	3.02 mL	15.11 mL	30.23 mL
1 mM	1.51 mL	7.56 mL	15.11 mL
5 mM	0.3 mL	1.51 mL	3.02 mL

Useful Calculator

This calculator helps you calculate mass of compound based on solution concentration, volume and molecular weight in a specific solution using the formula:

Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)

Calculate Reset

* Please check COA/MSDS for correct molecular weight.

Calculate the dilution required to prepare a stock solution.
This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Cosmo Bio Co.,LTD.	Toyo-Ekimae Bldg., 2-20, Toyo 2-chome, Koto-ku, Tokyo 135-0016 Japan Tel: +81-3-5632-9617 Fax: +81-3-5632-9618 www.cosmobio.co.jp [email protected]
As One International, Inc.	2-1-27 Edobori, Nishi-ku, Osaka 550-8527 Japan Tel: +81-6-6447-8641 www.as-1.co.jp [email protected]
Shigematsu & Co.,Ltd.	2-5 Awaji-machi 2 Chome , Chuo-ku , Osaka, 541-0047 Japan Tel: +81-6-6231-6146 Fax: +81-6-6231-6149 www.shigematsu-bio.com [email protected]
NAMIKI SHOJI CO.,LTD.	Kenseishinjuku Bldg., 5-5-3 Shinjuku, Shinjuku-ku, Toyko Japan Tel: +81-3-3354-4026 Fax: +81-3-3352-2196 www.namiki-s.co.jp [email protected]