Azithromycin EP Impurity B

SZ CAT No:	SZ-A040003
CAS No	307974-61-4
Mol.F.	C38H72N2O11
Mol.Wt.	733.0
Inv. Status	Custom Synthesis

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Chemical Name: 3-Deoxyazithromycin (as per EP & USP) ; (2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl4,10-dihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa6-azacyclopentadecan-15-one (as per USP)

Synonym: Azithromycin B (EP & USP)

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: C[C@@H]([C@@H]([C@H](C(O[C@@H]([C@H](C)[C@@H]1O)CC)=O)C)O[C@@](O[C@@H](C)[C@@H]2O)([H])C[C@@]2(C)OC)[C@H]([C@](O)(C[C@H](CN([C@@H]1C)C)C)C)O[C@@](O[C@H](C)C[C@@H]3N(C)C)([H])[C@@H]3O

Determination of azithromycin in raw materials and pharmaceutical formulations by HPLC coupled with an evaporative light scattering detector
Aiguo Zenga, Xia Liua, Siruo Zhangb, Yan Zhengc, Ping Huangc,Kangli Dua, Qiang Fu
Asian Journal of Pharmaceutical Sciences 9(2):107–116

LC determination of impurities in azithromycin tablets
L. Miguel, C. Barbas
Journal of Pharmaceutical and Biomedical Analysis 33 (2003) 211/217

Agglomeration Mechanism of Azithromycin Dihydrate in Acetone− Water Mixtures and Optimization of the Powder Properties
Songgu Wu,†,‡ Huan Shen,†,‡ Kangli Li,†,‡ Bo Yu,†,‡ Shijie Xu,†,‡ Mingyang Chen,†,‡ Junbo Gong,*,†,‡ and Bao hong Hou
Ind. Eng. Chem. Res. 2016, 55, 17, 4905–4910

Characterization of four unknown impurities in azithromycin and erythromycin iminoether by 2D LC/Q-TOF MS and NMR
Yong jina, , Xu Yub , Jinjin Zhoub , Zhikui Zhoua , Jian Wang
Rapid Commun Mass Spectrom. 2020 Jun 15;34(11):e8772.

Analysis of Azithromycin and Its Related Compounds by RP-HPLC with UV Detection
Fuad Al-Rimawi1 and Maher Kharoaf
Journal of Chromatographic Science, Vol. 48, February 2010

Development and Validation of RP- UHPLC Method for Azithromycin and Its Related Compounds in Tablet Dosage Form
Santosh Kumar Bhardwaj*1,2, Dau Dayal Agarwal1 , Vivek Sharma1 and Subodh Kumar Budakoti
Journal of Chemical and Pharmaceutical Research, 2016, 8(7):113-122

Azithromycin EP Impurity B is chemically 3-Deoxyazithromycin (as per EP & USP) ; (2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl4,10-dihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa6-azacyclopentadecan-15-one (as per USP). It is also known as Azithromycin B (EP & USP). Azithromycin EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Azithromycin EP Impurity B can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Azithromycin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

SZ CAT No:	: SZ-A040000
CAS No	: 117772-70-0
Mol.F.	: C38H72N2O12 : 2H2O
Mol.Wt.	: 749.0 : 2(18.0)
Inv. Status	: In Stock
Rel. CAS No	: 83905-01-5 (free base) ; 121470-24-4 (hydrate) ; 90581-30-9 (HCl salt)

SZ CAT No:	: SZ-A040002
CAS No	: 76801-85-9
Mol.F.	: C37H70N2O12
Mol.Wt.	: 735.0
Inv. Status	: In Stock
Rel. CAT No	: SZ-T091014 ,

SZ CAT No:	: SZ-A040032
CAS No	: 83905-01-5
Mol.F.	: C38H72N2O12
Mol.Wt.	: 749
Inv. Status	: Under Synthesis
Rel. CAS No	: 117772-70-0 (dihydrate) ; 121470-24-4 (hydrate) ; 90581-30-9 (HCl salt)

Azithromycin EP Impurity B

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SZ CAT No:	: SZ-A040036
CAS No	: 2365312-76-9
Mol.F.	: C30H60N2O10
Mol.Wt.	: 608.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040D02
CAS No	: NA
Mol.F.	: C3713CH69D3N2O12
Mol.Wt.	: 753.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040003
CAS No	: 307974-61-4
Mol.F.	: C38H72N2O11
Mol.Wt.	: 733.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040004
CAS No	: 620169-47-3
Mol.F.	: C37H70N2O12
Mol.Wt.	: 735.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040024
CAS No	: NA
Mol.F.	: C43H74N2O14S
Mol.Wt.	: 875.1
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040019
CAS No	: NA
Mol.F.	: C30H59N2O10 : Na
Mol.Wt.	: 607.81 : 23.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040023
CAS No	: 194809-66-0
Mol.F.	: C37H69BN2O13
Mol.Wt.	: 760.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040029
CAS No	: 117693-42-2
Mol.F.	: C22H43NO7
Mol.Wt.	: 433.6
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040005
CAS No	: 612069-26-8
Mol.F.	: C38H72N2O13
Mol.Wt.	: 765.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040006
CAS No	: 612069-27-9
Mol.F.	: C36H68N2O12
Mol.Wt.	: 720.9
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040007
CAS No	: 612069-28-0
Mol.F.	: C38H70N2O13
Mol.Wt.	: 763.0
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040008
CAS No	: 612069-31-5
Mol.F.	: C44H76N2O14S
Mol.Wt.	: 889.1
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040009
CAS No	: 612069-30-4
Mol.F.	: C45H77N3O15S
Mol.Wt.	: 932.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040010
CAS No	: 172617-84-4
Mol.F.	: C37H70N2O12
Mol.Wt.	: 735.0
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040011
CAS No	: 117693-41-1
Mol.F.	: C30H58N2O9
Mol.Wt.	: 590.8
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040012
CAS No	: 612534-95-9
Mol.F.	: C38H70N2O13
Mol.Wt.	: 763.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040013
CAS No	: 90503-06-3
Mol.F.	: C38H72N2O13
Mol.Wt.	: 765.0
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040014
CAS No	: 765927-71-7
Mol.F.	: C37H68N2O13
Mol.Wt.	: 749.0
Inv. Status	: Limited Stock

SZ CAT No:	: SZ-A040015
CAS No	: 612069-25-7
Mol.F.	: C36H65NO13
Mol.Wt.	: 719.9
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040016
CAS No	: 763924-54-5
Mol.F.	: C39H74N2O12
Mol.Wt.	: 763.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040020
CAS No	: 2095879-65-3
Mol.F.	: C44H75N3O15S
Mol.Wt.	: 918.1
Inv. Status	: Out of Stock, Custom Synthesis

SZ CAT No:	: SZ-A040021
CAS No	: NA
Mol.F.	: C38H70N2O14
Mol.Wt.	: 779
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040022
CAS No	: NA
Mol.F.	: C38H73N2O13 : Na
Mol.Wt.	: 766.01 : 23.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040026
CAS No	: NA
Mol.F.	: C38H71BN2O13
Mol.Wt.	: 774.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040030
CAS No	: 1914946-68-1
Mol.F.	: C30H57NO10
Mol.Wt.	: 591.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040025
CAS No	: 92594-45-1
Mol.F.	: C39H74N2O12
Mol.Wt.	: 763
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040017
CAS No	: NA
Mol.F.	: C37H66N2O12
Mol.Wt.	: 730.9
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040018
CAS No	: 161193-44-8
Mol.F.	: C37H66N2O12
Mol.Wt.	: 730.9
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A040027
CAS No	: NA
Mol.F.	: C41H78N2O13
Mol.Wt.	: 807.1
Inv. Status	: In Stock

SZ CAT No:	: SZ-A040D01
CAS No	: 163921-65-1
Mol.F.	: C38H69D3N2O12
Mol.Wt.	: 752
Inv. Status	: Custom Synthesis