S 23 Impurity 15

CAS737795-90-3
CatalogueRS-Z413FQF
FormulaC72H78N2O16
MW1227.4

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Product identification

Product name	S 23 Impurity 15
Catalogue No.	RS-Z413FQF
CAS No.	737795-90-3
Molecular formula	C72H78N2O16
Molecular weight	1227.4
Availability	Back order— restocking can be arranged, about 1–2 weeks
Standard type	General Reference Standards
Drug substance	S 23
Also known as	STDPHARM
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-Z413FQF / 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-Z413FQF 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 S 23

All 10 further standards are listed here — every link is in the page, not loaded later.

S 23

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CAS 1334419-46-3C29H33F5N8O4

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S 23 Impurity 11

CAS 1201817-10-8C32H33FN6O5S

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S 23 Impurity 19

CAS 873446-02-7C5H12NPb+3

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S 23 Impurity 42

CAS 1027086-64-1C53H58IN5O5

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S 23 Impurity 43

CAS 1355935-75-9C46H77N13O16

BACK ORDERRS-Z397U5D
S 23 Impurity 45

CAS 1463530-12-2C8H8BrF2N

IN STOCKRS-Z399K3A
S 23 Impurity 46

CAS 1056896-83-3C61H97N9O13

BACK ORDERRS-Z393MQZ
S 23 Impurity 49

CAS 1010396-28-7C60H70FN13O13S

BACK ORDERRS-Z393APU

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.