Asenapine Maleate Impurity 17

CAS1688731-74-9
CatalogueRS-A245010
FormulaC17H18ClNO
MW287.79

CUSTOM SYNTHESIS

On this page

Chemical structure of Asenapine Maleate Impurity 17

Product identification

Product name	Asenapine Maleate Impurity 17
Catalogue No.	RS-A245010
CAS No.	1688731-74-9
Molecular formula	C17H18ClNO
Molecular weight	287.79
Availability	Custom synthesis— made to order, typically 3–4 weeks
Standard type	Impurity Reference Standards
Drug substance	Asenapine Maleate
Storage	Refer to the certificate of analysis (COA) supplied with each lot
Intended use	For laboratory and research use only. Not for human or veterinary use.

What is stated on the certificate

Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.

Fields recorded on the certificate of analysis
Field	Basis
Identity	Spectroscopic and chromatographic methods appropriate to the material
Purity	Chromatographic purity, area normalisation unless stated otherwise
Assay / content	Mass balance, corrected for the stated volatiles and residue
Catalogue and batch numbers	RS-A245010 / batch number on the certificate
Retest date	Printed on the certificate for the lot supplied

Frequently asked

What documentation is supplied with this lot?

A certificate of analysis (COA) is issued for the lot you receive. It records the catalogue number RS-A245010 and the batch number, the tests performed, the specification applied and the result obtained. A safety data sheet is supplied with the shipment.

Is the assigned value given on an “as is” basis?

Content and purity are stated per lot on the certificate of analysis, on an “as is” basis unless the certificate says otherwise. The analytical basis for the assigned value is stated on the certificate.

How should this material be stored?

Store as stated: Refer to the certificate of analysis (COA) supplied with each lot. Re-test before use beyond the retest date printed on the certificate.

Do you supply pack sizes other than those listed?

Pack sizes are confirmed with the quotation. Quantities beyond the standard pack sizes can be quoted — send the quantity you need with your enquiry.

Finding this standard

Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:

Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.

Other standards of Asenapine Maleate

All 11 further standards are listed here — every link is in the page, not loaded later.

(E)-2-Acetoxy-2-bromo-5-chlorostilbene

CAS 1000890-01-6C16H12BrClO2

IN STOCKRS-I516005
Asenapine Maleate Impurity 1

CAS 129385-59-7C17H14ClNO2

IN STOCKRS-A245003
Asenapine Maleate Impurity 6 (Deschloro Asenapine)

CAS 1847487-56-2C17H17NO

IN STOCKRS-A245005
Asenapine Maleate Impurity 9

CAS 912356-09-3C17H14ClNO2

IN STOCKRS-A245008
Asenapine Maleate Impurity 13 (2,3-Dihydro-1-oxo Asenapine)

CAS 934996-79-9C17H12ClNO2

IN STOCKRS-A096003
Asenapine Maleate Impurity 14 (11-Hydroxyasenapine)

CAS 1262639-38-2C17H16ClNO2

CUSTOM SYNTHESISRS-A245001
Asenapine Maleate Impurity 15

CAS 129385-60-0C17H12ClNO

IN STOCKRS-A245004
Asenapine Maleate Impurity 19

CAS 934996-78-8C17H14ClNO3

IN STOCKRS-A245009
Asenapine Maleate Impurity 20

CAS 128923-28-4C23H22ClNO9

BACK ORDERRS-A245002
Asenapine Maleate Impurity 25

CAS 27449-95-2C17H14ClNO

IN STOCKRS-A245007
Asenapine Maleate Impurity 26 (Mixture of Enantiomers)

CAS 65621-78-5C17H16ClNO

CUSTOM SYNTHESISRS-A245006

Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.