Azithromycin dihydrate

Name: Azithromycin dihydrate
Brand: Vaqora Chemicals
SKU: VQ-021717

About Azithromycin dihydrate

Vaqora Chemicals supplies Azithromycin dihydrate, a high-purity reference standard of Azithromycin registered under CAS number 117772-70-0. With the molecular formula C38H76N2O14, it has a molar mass of 785.0 g/mol. Common synonyms include Azithromycin and CP-62993 dihydrate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Azithromycin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Azithromycin dihydrate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Azithromycin

View every impurity, metabolite and intermediate we list for Azithromycin.

Azithromycin impurities

Specifications & identifiers

Chemical identifiers
Product name	Azithromycin dihydrate
Catalogue No.	VQ-021717
CAS Number	117772-70-0
IUPAC name	(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one;dihydrate
Molecular formula	C₃₈H₇₆N₂O₁₄
Molecular weight	785 g/mol
Exact mass	784.5297
Grade	Reference Standard
HSN code	38229090
InChIKey	SRMPHJKQVUDLQE-KUJJYQHYSA-N
SMILES	CC[C@@H]1[C@@]([C@@H]([C@H](N(C[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C)C)C)O)(C)O.O.O
PubChem CID	3033819

Physical properties
Physical form	Solid
H-bond donors / acceptors	7 / 16
TPSA	182 Å²
Synonyms	Azithromycin, CP-62993 dihydrate, Azitral, 9-Deoxo-9a-aza-9a-methyl-9a-homoerythromycin A dihydrate, Goxal, Azithromycin (hydrate), Acitrocin, Azidromic, Azitrona Klonal, Azithromycin hydrate (JP18), N-methyl-11-aza-10-deoxo-10-dihydro erythromycin A

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P319, P321, P333 + P317, P342 + P316, P362 + P364, P403, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Azithromycin dihydrate?

The CAS Registry Number of Azithromycin dihydrate is 117772-70-0. It is also known as Azithromycin, CP-62993 dihydrate, Azitral.

What is the molecular formula and molecular weight of Azithromycin dihydrate?

Azithromycin dihydrate has the molecular formula C38H76N2O14 and a molecular weight of 785 g/mol.

What is Azithromycin dihydrate used for?

Azithromycin dihydrate is supplied as a characterised reference material related to Azithromycin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Azithromycin dihydrate can I order?

We supply Azithromycin dihydrate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Azithromycin dihydrate?

Yes. Every lot of Azithromycin dihydrate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Azithromycin dihydrate be shipped internationally?

Yes. Azithromycin dihydrate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.