Api
Milbemycin Oxime CAS 129496-10-2
Review product identity and request current specifications, documentation, a sample review and a quotation for your requirements.
Longchang Chemical reviews each inquiry. Contact details are used only to respond to the request.
Buyer summary
Verified identity details
Identity fields are separated from historical commercial records. Confirm the current test method and acceptance criteria with the quotation.
- CAS number
- 129496-10-2
- Chemical name
- Milbemycin Oxime
- Molecular formula
- 2C32H45NO7.2C31H43NO7
- Molecular weight
- 2194.78
Technical information
Identity, specifications and application context
Legacy content may include historical source-record fields. Request the current specification, lot COA and SDS before making a purchasing decision.
Application suitability must be evaluated against the intended use, customer specification and applicable regulatory requirements. Request the current technical document set for review.
| Item | Specifications | Results |
| Appearance | White orlight yellow amorphous powder | White amorphous powder |
| Identification | IR spectrum of sample corresponds to that of reference substance | Comply |
| The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay | Comply | |
| Water | ≤3.0 % | 1.0 % |
| Residue on ignition | ≤0.5 % | 0.1 % |
| Assay | ( Sum of Milbemycin A4 oxime and Milbemycin A3 oxime) : 95.0%-102.0 on the anhydrous basis . | 98.1 % |
| Ratio of Milbemycin A4 oxime ≥ 0.75 | 0.94 | |
| Ratio of Milbemycin A3 oxime ≥ 0.25 | 0.06 | |
| Organic impuritis | Impurity a: 11’DesmethylMilbemycin A4 oxime ≤0.7 % | 0.06 % |
| Impurity b: (20’R)-Hydroxymilbemycin A4keto form ≤0.5% | 0.1 % | |
| Impurity c: Milbemycin A4 keto form ≤0.7 % | 0.4 % | |
| Impurity d: Milbemycin D oxime ≤3.0% | 0.2 % | |
| Any other individual impurity ≤0.5 % | 0.2 % | |
| Total impurities ( excluding impurity d ) ≤3.5 % | 1.3 % | |
| Reporting threshold: 0.10 % | 0.2 % | |
| Solvent residue | Trichloromethane ≤60 ppm | Not detected |
| N-Heptane ≤5000 ppm | 2 ppm | |
| Ethanol ≤5000 ppm | 24 ppm | |
| Conclusion | The product complies with the specification ( USP ) | |
| Storage | Preserve in tight containers, and store at room temperature , protected from light . | |
Procurement
Current documents, sample review and quotation
Current specification
Provide the required grade, test method and acceptance criteria. Longchang will confirm what can be quoted for the reviewed material.
Storage and handling
Request the current specification and SDS for material-specific storage, transport and handling instructions.
Documents
Request the current document set. Availability and revision are confirmed for the quoted material.
Request documentation →Procurement FAQ
Information for your inquiry
What information should I include in a request for quotation?
Include the product or CAS number, required specification or grade, quantity, destination country and documentation requirements.
Can I request COA, SDS or TDS documentation?
Yes. Request the current document set with the inquiry. Availability and revision are confirmed for the quoted material.
Can I request a sample before placing a bulk order?
Submit the application and target quantity. Sample availability, size and delivery terms are confirmed after review.
Request for quotation
Tell us what you need
Include the target specification, quantity and destination so the team can prepare a useful response.
- Product: Milbemycin Oxime
- CAS: 129496-10-2
- Email: info@longchangchemical.com
English 
Danish 
German 
Hungarian 
French 
Russian 
Spanish 
Turkish