CAS No. 24390-14-5

Package:1kg 5kg 25kg | Appearance:Yellow crystalline powder | Identification A) tR of HPLC test B)Sulphuric acid yellow color reaction C)Chloride’s reaction | PH:2.0 to 3.0 | Specific optical rotation (°) -105°to 120°,calculated on the anhydrous, ethanol-free substance | Specific absorbance:300-335 at 349nm,calculated on the anhydrous, ethanol-free substance | Light-absorbing impurities: Not more than 0.07 at 490nm, calculated on the anhydrous, ethanol-free substance | Related substances (%) : Metacycline => Not more than 2.0% ; 6-epidoxycycline => Not more than 2.0% ; Oxytetracycline => Not more than 5.0% ; 4-epidoxycycline => Not more than 5.0% ; 4,6-epidoxycycline => Not more than 5.0% ; Impurity F => Not more than 5.0% ; Any other impurities => Not more than 5.0% ; Ethanol => 4.3 to 6.0% ; Heavy metals (ppm) => Less than 50 ppm ; Water => 1.4% to 2.8% ; Sulphated ash => Not more than 0.4% ; Assay => 95.0~102.0% of C22H25ClN2O8

Appearance	Yellow crystalline powder
Identification
A)	tR of HPLC test
B)	Sulphuric acid yellow color reaction
C)	Chloride's reaction
PH	2.0 to 3.0
Specific optical rotation (°)	-105°to 120°,calculated on the anhydrous, ethanol-free substance
Specific absorbance	300-335 at 349nm,calculated on the anhydrous, ethanol-free substance
Light-absorbing impurities	Not more than 0.07 at 490nm, calculated on the anhydrous, ethanol-free substance
Related substances (%)
Metacycline	Not more than2.0%
6-epidoxycycline	Not more than2.0%
Oxytetracycline	Not more than5.0%
4-epidoxycycline	Not more than5.0%
4,6-epidoxycycline	Not more than5.0%
Impurity F	Not more than5.0%
Any other impurities	Not more than5.0%
Not more than5.0%
Ethanol (%)	4.3 to 6.0%
Heavy metals (ppm)	Less than 50 ppm
Water (%)	1.4% to 2.8%
Sulphated ash (%)	Not more than 0.4%
Assay (%)	95.0~102.0% of C22H25ClN2O8, calculated on the anhydrous, ethanol-free substance

Molecular Formula: C22H24N2O8.HCl
Molecular Weight: 480,9


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Category:Working Standards
Purity:98,00%

Description:
Doxycycline is a member of the tetracycline antibiotics group, and is commonly used to treat a variety of infections.

• Molecular Weight: 512.94
• Molecular Formula: C23H29ClN2O9

Purity: Assay：800 - 920 μg/mg

Canonical SMILES:
CCO.CC1C2C(C3C(C(=O)C(=C(C3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)O)C(=O)N)N(C)C)O.CC1C2C(C3C(C(=O)C(=C(C3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)O)C(=O)N)N(C)C)O.O.Cl.Cl

InChI:
InChI=1S/2C22H24N2O8.C2H6O.2ClH.H2O/c2*1-7-8-5-4-6-9(25)11(8)16(26)12-10(7)17(27)14-15(24(2)3)18(28)13(21(23)31)20(30)22(14,32)19(12)29;1-2-3;;;/h2*4-7,10,14-15,17,25-27,30,32H,1-3H3,(H2,23,31);3H,2H2,1H3;2*1H;1H2/t2*7-,10+,14+,15-,17-,22-;;;;/m00..../s1

InChIKey: UHHHTIKWXBRCLT-VDBOFHIQSA-N

• Boiling Point: 685.2°C at 760 mmHg
• Melting Point: >165°C (dec.)
• Solubility: Soluble in DMSO (Slightly), Methanol (Slightly), Water (Slightly)
• Appearance: Yellow Solid
• Storage: 2-8°C

Synonyms:
(4S,4aR,5S,5aR,6R,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide Hyclate; Doxinyl; Doxivetin; Doxycen; GS 3065; Hydramycin; Liviatin; Doxycycline Hydrochloride Hemiethanolate Hemihydrate

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