Exemestane Impurity 20

Exemestane Impurity 20 is chemically (3S,5R,6R,8R,9S,10R,13S,14S,17S)-10,13-Dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,6,17-triol. Exemestane Impurity 20 is supplied with detailed characterization data compliant with regulatory guideline. Exemestane Impurity 20 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 Exemestane.

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.

Development of validated method for the determination of exemestane by using RP-​HPLC
By Siva Sai Kiran, B.; Raja, S.
From International Journal of Research in Pharmaceutical Sciences (Madurai, India) (2018), 9(1), 185-188
 
Use of the hyphenated LC-​MS​/MS technique and NMR​/IR spectroscopy for the identification of exemestane stress degradation products during the drug development
By Stolarczyk, Elzbieta U.; Rosa, Anna; Kubiszewski, Marek; Zagrodzka, Joanna; Cybulski, Marcin; Kaczmarek, Lukasz
From European Journal of Pharmaceutical Sciences (2017), 109(Suppl.), 389-401
 
A validated stability-​indicating liquid chromatographic method for the determination of Exemestane
By Mathrusri Annapurna, M.; Swati, B.; Naga Ramya, D.; Pramadvara, K.; Sri Ram, A.; Aslesha, N.
From Chemical Science Transactions (2014), 3(3), 961-968, 8 pp..
 
 

• We need to receive valid purchase order with Bill to & Ship to address.
• The quotation ID needs to be mentioned in the purchase order.
• You will receive order confirmation prior to dispatch which need to be verified for any error in product, pack size, prices.

Delivery time:

• In Stock product will dispatch in 24 h after receipt of purchase order. It usually take 2-3 days to receive products in India and 5-6 working days for export customer depending on destination.
• The custom synthesis products would be dispatched as per quoted timeline.

Shipping:

• There will be 100 USD towards logistic charges per shipment if we used our FedEx. There will not be any charge if we use your FedEx/DHL Account. Depending on part shipment logistic charges will be added.
• For countries dispatch by courier is not allowed where product would be dispatched in cargo mode as per agreed Inco term.

Additional Charges:

• Controlled substance charges need to follow as per quotation. The specific inputs are required for controlled substance because regulatory status will differ based on destination.
• Cold Shipment Charges needs to be considered as per quotation.
• For ice pack there are no additional charges.

Technical Queries:

• All technical queries need to raise within 15 days of product receipt. Thereafter it will be our resolved at our discretion.

Reach to Us:

• All communication will be addressed to standards@synzeal.com
• SynZeal emphasize on formal communication which is required for smooth processing of the purchase order. It helps multiple people to remain informed about all details.
• For specific purpose, there are below e-mail address to be used.
  • For New products # standards@synzeal.com
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  • Logistic Documents # exports@synzeal.com (For export customer only)
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