Home / Products / Erythromycin Impurities

Erythromycin Impurities Supplier from India

Erythromycin impurity, related-compound, macrolide standard, and custom synthesis enquiry support for analytical and QC projects.

Product Enquiry

Erythromycin Impurities

Use this page for Erythromycin impurity and related-compound quote review. Buyers can share exact target name, CAS number, quantity, purity expectations, documentation needs, and timeline.

Share the exact compound name, pharmacopeial designation where relevant, CAS number or structure if known, requested quantity, target purity, destination country, intended application, documentation needs, and preferred timeline. Our India-based export team will review the API impurities, working standards, reference standards, intermediates, or custom synthesis requirement and reply with quotation guidance.

Common Applications

Why Buyers Request These API Impurities

Analytical Development — Defined impurity and related-compound enquiries can support method development and comparison work.

Quality Control — Product-family lists help QC teams request the correct target for review.

Validation Support — Reference and working-standard style requirements can be reviewed with intended use details.

Custom Review — Non-catalogue targets can be assessed when a CAS number, structure, or reference is shared.

Quotation Checklist

Details to Include in Your Request

A technically complete request helps us assess catalogue availability, working standards requirements, or custom synthesis feasibility efficiently.

Target Name

Mention the exact impurity, related compound, API, intermediate, or standard required.

CAS or Structure

Share CAS number, structure, pharmacopeial reference, or internal reference where available.

Quantity and Purity

State requested quantity, purity target, and repeat demand if applicable.

Documentation

List CoA, HPLC purity data, NMR, MS, IR, or additional analytical report requirements.

Destination Country

Include destination country and city for export quote planning.

Timeline

Mention quotation urgency and preferred delivery planning window.

Product Family

Erythromycin Impurities Product Enquiry List

The products below are shown for quotation review only. Availability, purity, documentation, and export timeline are confirmed after technical review.

(9Z)-Erythromycin A Oxime Quote / technical review
CAS: 134931-01-4 API Impurity / Related Compound Availability confirmed after review
Request Quote
11-Dehydroxy Erythromycin A Quote / technical review
CAS: 40554-78-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
13-Deethyl-13-methylerythromycin Quote / technical review
CAS: 229318-98-3 API Impurity / Related Compound Availability confirmed after review
Request Quote
13-Desethyl, 13-Propyl-Erythromycin A Quote / technical review
CAS: 288584-78-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
2,O-Acetyl Erythromycin Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
2'-Hydroxyethyl Erythromycin Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
3-ethyl-piperazine-2,5-dione Quote / technical review
CAS: 63808-67-3 API Impurity / Related Compound Availability confirmed after review
Request Quote
3,6-diethyl-piperazine-2,5-dione Quote / technical review
CAS: 5625-42-3 API Impurity / Related Compound Availability confirmed after review
Request Quote
3'-N-Demethylation Erythromycin A Oxime Quote / technical review
CAS: 231620-64-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
6-O-Methylerythromycin A 9-(E)-O-(1-isopropoxycyclohexyl)-oxime Quote / technical review
CAS: 156715-14-9 API Impurity / Related Compound Availability confirmed after review
Request Quote
8a erythromycin A 6,9-iminoether Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
8a erythromycin B 6,9-iminoether Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
8a-Aza-8a-homoerythromycin A Quote / technical review
CAS: 145259-55-8 API Impurity / Related Compound Availability confirmed after review
Request Quote
8a-erythromycin A 9,12-Iminoether Quote / technical review
CAS: 145259-57-0 API Impurity / Related Compound Availability confirmed after review
Request Quote
9a-Aza-9a-Homo Erythromycin A Quote / technical review
CAS: 76820-32-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Azaerythromycin 3'-N-oxide Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Azaerythromycin A 11,12-hydrogen borate Quote / technical review
CAS: 194809-66-0 API Impurity / Related Compound Availability confirmed after review
Request Quote
Azithromycin Impurity R (Aza-erythromycin) Quote / technical review
CAS: 161193-44-8 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Quote / technical review
CAS: 114-07-8 API / Standard / Related Product Availability confirmed after review
Request Quote
Erythromycin 13C,D3 Quote / technical review
CAS: 2378755-50-9 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin A 6,9-iminoether Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin A Imino ether Quote / technical review
CAS: 99290-97-8 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin B Quote / technical review
CAS: 527-75-3 API / Standard / Related Product Availability confirmed after review
Request Quote
Erythromycin B Oxime Quote / technical review
CAS: 53274-43-4 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin C (USP) Quote / technical review
CAS: 1675-02-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Cyclic 11,12 Carbonate A Quote / technical review
CAS: 55224-05-0 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin D3 Quote / technical review
CAS: 959119-26-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin D6 Quote / technical review
CAS: 959119-25-6 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity A Quote / technical review
CAS: 82230-93-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity B Quote / technical review
CAS: 992-62-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity C Quote / technical review
CAS: 41451-91-6 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity D Quote / technical review
CAS: 23893-13-2 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity D N-Oxide Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity E Quote / technical review
CAS: 33396-29-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity E N-Oxide Quote / technical review
CAS: 36693-59-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity F Quote / technical review
CAS: 105882-69-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity F N-Oxide Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity H Quote / technical review
CAS: 992-65-4 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity I Quote / technical review
CAS: 546-57-6 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity J Quote / technical review
CAS: 105900-46-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity K Quote / technical review
CAS: 33442-56-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity L Quote / technical review
CAS: 127955-44-6 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity M Quote / technical review
CAS: 616234-56-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin EP Impurity N Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Estolate Quote / technical review
CAS: 3521-62-8 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Ethyl Fumarate Quote / technical review
CAS: 122293-08-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Ethyl Succinate Quote / technical review
CAS: 1264-62-6 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Ethyl Succinate-13C,D3 Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Ethyl Succinate-D6 Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Ethylsuccinate EP Impurity G Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Impurity 1 Quote / technical review
CAS: 119665-62-2 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Impurity 2 Quote / technical review
CAS: 200802-92-2 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Impurity 3 Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Impurity 4 Quote / technical review
CAS: 130223-28-8 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Impurity 5 Quote / technical review
CAS: 58781-38-7 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin lactobioate A Quote / technical review
CAS: 3847-29-8 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin lactobioate B Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin N-Oxide Impurity Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Oxime (USP) Quote / technical review
CAS: 111321-02-9 API / Standard / Related Product Availability confirmed after review
Request Quote
Erythromycin Phosphate Quote / technical review
CAS: 4501-00-2 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Phthalate Impurity Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Phthalyl Ester Quote / technical review
CAS: 121057-86-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Stearate Quote / technical review
CAS: 643-22-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin-13C2 Quote / technical review
CAS: 202114-52-1 API Impurity / Related Compound Availability confirmed after review
Request Quote
N-Demethyl Erythromycin A D3 Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
N-Desmethyl Erythromycin Ethylsuccinate Quote / technical review
CAS: Share if available API Impurity / Related Compound Availability confirmed after review
Request Quote
N,N-Didemethyl Erythromycin Quote / technical review
CAS: 37152-22-0 API Impurity / Related Compound Availability confirmed after review
Request Quote
N,N-Didemethyl-6-O-methylerythromycin Quote / technical review
CAS: 118058-75-6 API Impurity / Related Compound Availability confirmed after review
Request Quote
piperazine-2,5-dione Quote / technical review
CAS: 63808-67-3 API Impurity / Related Compound Availability confirmed after review
Request Quote
Erythromycin Impurities FAQs

Frequently Asked Questions

Are these products confirmed stock items?

No. The listed products are enquiry targets for quote review. Availability, purity, documentation, and timeline are confirmed after assessment.

Can I request related compounds not shown on this page?

Yes. Share the exact name, CAS number or structure, quantity, and intended use for custom review.

What documentation can I request?

Mention CoA, HPLC purity data, NMR, MS, IR, or additional analytical report expectations in the quote request.

Can overseas buyers submit enquiries?

Yes. Include destination country, city, and timeline so export planning can be reviewed.

Related Products

Explore More Impurity Standards

Azithromycin Impurities

View product enquiry details and quotation guidance.

Clarithromycin Impurities

View product enquiry details and quotation guidance.

Products Catalog

View product enquiry details and quotation guidance.

Request a Quote for Erythromycin Impurities

Send your compound details, destination country, quantity, purity target, intended use, documentation needs, and timeline. Our manufacturer and exporter from India team will review your API impurity, working standard, reference standard, intermediate, or custom synthesis requirement and respond with the next practical step.

Request Export Quote Contact Our Team