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Azithromycin EP Impurity C

CAS 620169-47-3 Cat. no. C4X-10036 Formula C37H70N2O12 MW 734.96 In stock
Documents on file — click to open, no login needed:Certificate of analysis (COA)Safety data sheet (SDS)
Chemical structure of Azithromycin EP Impurity C, CAS 620169-47-3
Structure of Azithromycin EP Impurity C, CAS 620169-47-3 — click to open the full-size image

Azithromycin EP Impurity C, CAS 620169-47-3 is supplied by CATO as a reference standard for analytical method development, qualification and routine testing. Every lot is accompanied by a batch certificate of analysis; the analytical data used to assign the content or purity is stated on that certificate. Tell us the pack size and the quantity you need and we will confirm availability, documentation and lead time.

Also known as

Azithromycin C; 3''-O-Demethylazithromycin; Azithromycin impurity C; Azithromycin EP Impurity C; 3''-O-Desmethylazithromycin; 3''-O-demethylazithromycin (azithromycin C). Further pharmacopoeial and trivial names are recorded on the certificate of analysis.

Pack sizes and lead time

Pack sizeAvailabilityQuote
1 g10 days
1 mgIn stock
1.5 gOn request
2 gOn request
2.5 gOn request
5 g10 days
5 mgIn stock
10 mgIn stock
15 mgIn stock
20 mgIn stock
25 mgIn stock
30 mgIn stock
50 mg10 days
60 mg10 days
100 mg10 days
150 mg10 days
200 mg10 days
500 mg10 days
Content and purity for each pack size are stated per lot on the certificate of analysis. Prices are quoted per enquiry so that pack size, documentation and shipping requirements can be confirmed together — no price is published on this site.

What the documents contain

  • Certificate of analysis — issued per lot: catalogue and lot number, the value assigned to the material and the analytical basis for it.
  • Safety data sheet — supplied for the catalogue item, and the basis for the transport classification used on the shipment.
  • Storage and shipping conditions for this item: -20℃±5℃, Shipping with Ice Packs.

Frequently asked questions

Is a certificate of analysis (COA) available for Azithromycin EP Impurity C?

Yes. A batch-specific COA and the MSDS are issued for every lot of Azithromycin EP Impurity C (catalogue number C4X-10036). Use the COA link on this page, or email [email protected] with the lot number printed on your label and we will send the matching document.

What pack sizes and lead times are offered?

Pack sizes 1 mg, 5 mg, 10 mg, 15 mg, 20 mg, 25 mg, 30 mg are held in stock and typically ship within 1–2 working days Other sizes (1 g, 5 g, 50 mg, 60 mg, 100 mg, 150 mg, 200 mg, 500 mg) are quoted with a lead time of approximately 10 days.

How is the purity of Azithromycin EP Impurity C documented?

Purity is determined per batch and stated on the COA together with the analytical data used for its assignment. If your method requires a specific grade or a particular pharmacopoeial naming, tell us the requirement when you enquire and we will confirm suitability.

Can you supply a larger quantity or a custom synthesis?

Yes. Quantities above the listed pack sizes are quoted on request, and custom synthesis or isolation from related starting materials can be discussed for compounds not held in stock. Contact [email protected] with the target quantity and required delivery date.

How is Azithromycin EP Impurity C shipped?

Shipping conditions for this item: Shipping with Ice Packs. Shipments are packed to maintain the specified storage condition, and the SDS is provided for transport classification.

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