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VR23 Impurity 6

  • CAS708999-45-5
  • CatalogueRS-Z401KEY
  • FormulaC19H17ClN4O4S
  • MW432.07
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Chemical structure of VR23 Impurity 6

Product identification

Product nameVR23 Impurity 6
Catalogue No.RS-Z401KEY
CAS No.708999-45-5
Molecular formulaC19H17ClN4O4S
Molecular weight432.07
AvailabilityBack order— restocking can be arranged, about 1–2 weeks
Standard typeGeneral Reference Standards
Drug substanceVR23
StorageRefer to the certificate of analysis (COA) supplied with each lot
Intended useFor 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
FieldBasis
IdentitySpectroscopic and chromatographic methods appropriate to the material
PurityChromatographic purity, area normalisation unless stated otherwise
Assay / contentMass balance, corrected for the stated volatiles and residue
Catalogue and batch numbersRS-Z401KEY / batch number on the certificate
Retest datePrinted 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-Z401KEY 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 VR23

All 35 further standards are listed here — every link is in the page, not loaded later.

  • VR23 Impurity 12

    CAS 1386833-21-1C16H10N2O3

    CUSTOM SYNTHESISRS-Z398G2R

  • VR23 Impurity 17

    CAS 1278324-97-2C70H97ClN6O20

    BACK ORDERRS-Z396RZR

  • VR23 Impurity 21

    CAS 1211679-50-3C33H42F5N9O3

    BACK ORDERRS-Z395KL4

  • VR23 Impurity 27

    CAS 1386211-64-8C39H46N11O13P

    BACK ORDERRS-Z398FY8

  • VR23 Impurity 29

    CAS 1386810-04-3C10H8FeGeN2

    IN STOCKRS-Z398G2I

  • VR23 Impurity 30

    CAS 1385627-83-7C60H88N10O13

    BACK ORDERRS-Z398FSG

  • VR23 Impurity 33

    CAS 1279683-33-8C28H52N2O2S

    BACK ORDERRS-Z396SBM

  • VR23 Impurity 35

    CAS 1389128-50-0C33H42F5N9O3

    BACK ORDERRS-Z398GSB

  • VR23 Impurity 36

    CAS 1095943-58-0C43H35N9O5S

    BACK ORDERRS-Z393YVH

  • VR23 Impurity 39

    CAS 115687-15-5C19H17ClN4O4S

    BACK ORDERRS-Z394QDC

  • VR23 Impurity 40

    CAS 333425-28-8C19H17ClN4O4S

    BACK ORDERRS-Z401I2S

  • VR23 Impurity 43

    CAS 1389864-99-6C69H92N14O15S

    BACK ORDERRS-Z398H04

  • VR23 Impurity 45

    CAS 1095832-11-3C25H31F5N6O2

    BACK ORDERRS-Z393YUU

  • VR23 Impurity 51

    CAS 1386233-90-4C72H78N2O16

    BACK ORDERRS-Z398FYA

  • VR23 Impurity 52

    CAS 941193-01-7C5H12NPb+3

    IN STOCKRS-Z401MDO

  • VR23 Impurity 53

    CAS 1290337-14-2C10H8FeGeN2

    IN STOCKRS-Z396VH3

  • VR23 Impurity 54

    CAS 1319473-87-4C66H66N8O12S

    BACK ORDERRS-Z397BW7

  • VR23 Impurity 58

    CAS 1277946-18-5C16H24O2

    IN STOCKRS-Z396RYL

  • VR23 Impurity 59

    CAS 1278166-32-7C23H32N2O7

    BACK ORDERRS-Z396RZB

  • VR23 Impurity 63

    CAS 1302028-15-4C8H8ClN3O2S

    IN STOCKRS-Z396X7Z

  • VR23 Impurity 66

    CAS 1389574-45-1C32H33FN6O5S

    BACK ORDERRS-Z398GY5

  • VR23 Impurity 69

    CAS 1277890-91-1C74H82N2O15

    BACK ORDERRS-Z396RY7

  • VR23 Impurity 72

    CAS 1390037-39-4C27H38F2N8O2

    BACK ORDERRS-Z398H2A

  • VR23 Impurity 75

    CAS 1297986-49-2C35H44F2N8O4

    BACK ORDERRS-Z396WPR

  • VR23 Impurity 77

    CAS 2783708-00-7C5H12NPb+3

    CUSTOM SYNTHESISRS-Z401GZE

  • VR23 Impurity 78

    CAS 1297986-43-6C30H30FN7O4S

    BACK ORDERRS-Z396WPQ

  • VR23 Impurity 80

    CAS 1372325-76-2C69H63BN6

    BACK ORDERRS-Z398504

  • VR23 Impurity 83

    CAS 347356-26-7C20H18ClN3O4S

    BACK ORDERRS-Z401I6S

  • VR23 Impurity 85

    CAS 1386002-57-8C44H55F3N6O4

    BACK ORDERRS-Z398FWX

  • VR23 Impurity 86

    CAS 1385575-70-1C47H60FN11O10S

    BACK ORDERRS-Z398FS7

  • VR23 Impurity 87

    CAS 1320603-31-3C25H28N6

    BACK ORDERRS-Z397C0U

  • VR23 Impurity 88

    CAS 1386029-42-0C29H28FN7O4S

    BACK ORDERRS-Z398FWZ

  • VR23 Impurity 90

    CAS 2776880-32-9C28H55N2OS+

    BACK ORDERRS-Z401GYW

  • VR23 Impurity 92

    CAS 1095943-56-8C42H33N9O4S

    CUSTOM SYNTHESISRS-Z393YVG

  • VR23 Impurity 93

    CAS 1371449-43-2C30H30FN7O4S

    BACK ORDERRS-Z398312

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.