Doxycycline Impurities

Doxycycline Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Doxycycline, pharmacopeial and non-pharmacopeial Doxycycline impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Doxycycline impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Doxycycline-related products are thoroughly characterized. Doxycycline products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Doxycycline EP Impurity A (HCl)

SZ CAT No:	: SZ-D049008
CAS No	: 41411-66-9
Mol.F.	: C22H24N2O8 : HCl
Mol.Wt.	: 444.4 : 36.5
Inv. Status	: In Stock
Rel. CAS No	: 3219-99-6 (free base)

Doxycycline EP Impurity B

SZ CAT No:	: SZ-D049003
CAS No	: 3963-95-9
Mol.F.	: C22H22N2O8 : HCl
Mol.Wt.	: 442.4 : 36.5
Inv. Status	: In Stock
Rel. CAS No	: 914-00-1 (free base)

Doxycycline EP Impurity C

SZ CAT No:	: SZ-D049004
CAS No	: 6543-77-7
Mol.F.	: C22H24N2O8
Mol.Wt.	: 444.4
Inv. Status	: In Stock

Doxycycline EP Impurity E

SZ CAT No:	: SZ-D049006
CAS No	: 79-57-2
Mol.F.	: C22H24N2O9
Mol.Wt.	: 460.4
Inv. Status	: In Stock

Doxycycline Hyclate

SZ CAT No:	: SZ-D049010
CAS No	: 24390-14-5
Mol.F.	: C22H24N2O8 : 1/2(C2H6O) : HCl : 1/2(H2O)
Mol.Wt.	: 444.4 : 1/2(46.1) : 36.5 : 1/2(18.0)
Inv. Status	: In Stock
Rel. CAS No	: 564-25-0 (free base)

Doxycycline Monohydrate

SZ CAT No:	: SZ-D049001
CAS No	: 17086-28-1
Mol.F.	: C22H24N2O8 : H2O
Mol.Wt.	: 444.4 : 18.0
Inv. Status	: In Stock
Rel. CAS No	: 564-25-0 (free base) ; 10592-13-9 (HCl salt)

N-Desmethyl Doxycycline

SZ CAT No:	: SZ-D049014
CAS No	: 86271-83-2
Mol.F.	: C21H22N2O8
Mol.Wt.	: 430.4
Inv. Status	: In Stock

Doxycycline EP Impurity A

SZ CAT No:	: SZ-D049002
CAS No	: 3219-99-6
Mol.F.	: C22H24N2O8
Mol.Wt.	: 444.4
Inv. Status	: Limited Stock
Rel. CAS No	: 41411-66-9 (HCl salt)

Doxycycline EP Impurity D

SZ CAT No:	: SZ-D049005
CAS No	: 97583-08-9
Mol.F.	: C22H24N2O8
Mol.Wt.	: 444.4
Inv. Status	: Out of Stock, Custom Synthesis

Doxycycline

SZ CAT No:	: SZ-D049009
CAS No	: 564-25-0
Mol.F.	: C22H24N2O8
Mol.Wt.	: 444.4
Inv. Status	: Custom Synthesis
Rel. CAS No	: 10592-13-9 (hydrochloride) ; 17086-28-1 (hydrate)

Doxycycline Hydrochloride

SZ CAT No:	: SZ-D049013
CAS No	: 10592-13-9
Mol.F.	: C22H24N2O8 : HCl
Mol.Wt.	: 444.4 : 36.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 564-25-0 (Free base) ; 17086-28-1 (hydrate)

Meta Hydroxy Doxycycline

SZ CAT No:	: SZ-D049016
CAS No	: NA
Mol.F.	: C22H24N2O9
Mol.Wt.	: 460.4
Inv. Status	: Custom Synthesis

Pera Hydroxy Doxycycline

SZ CAT No:	: SZ-D049015
CAS No	: 4497-11-4
Mol.F.	: C22H24N2O9
Mol.Wt.	: 460.4
Inv. Status	: Custom Synthesis

Doxycycline EP Impurity F

SZ CAT No:	: SZ-D049007
CAS No	: 122861-53-4
Mol.F.	: C23H25NO8
Mol.Wt.	: 443.5
Inv. Status	: Discontinue

Stable Isotopes And Metabolites

Doxycycline D3

SZ CAT No:	: SZ-D049D02
CAS No	: NA
Mol.F.	: C22H21D3N2O8
Mol.Wt.	: 447.5
Inv. Status	: Custom Synthesis

Doxycycline D6

SZ CAT No:	: SZ-D049D01
CAS No	: NA
Mol.F.	: C22H18D6N2O8
Mol.Wt.	: 450.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 564-25-0 (Unlabeled)

Doxycycline-13CD3

SZ CAT No:	: SZ-D049D03
CAS No	: 1902958-13-7
Mol.F.	: C2113CH21D3N2O8
Mol.Wt.	: 448.5
Inv. Status	: Custom Synthesis

Possible Nitroso Standards

N-Nitroso-N-Desmethyl Doxycycline

SZ CAT No:	: SZ-D049011
CAS No	: NA
Mol.F.	: C21H21N3O9
Mol.Wt.	: 459.4
Inv. Status	: In Stock

N-Nitroso 2-acetyl-2-decarbamoyldoxycycline

SZ CAT No:	: SZ-D049012
CAS No	: NA
Mol.F.	: C22H22N2O9
Mol.Wt.	: 458.4
Inv. Status	: Custom Synthesis

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