XL-019 Impurity 137
- CAS945750-42-5
- CatalogueRS-Z401MFV
- FormulaC34H60N2O4S2
- MW624.4
On this page
Product identification
| Product name | XL-019 Impurity 137 |
|---|---|
| Catalogue No. | RS-Z401MFV |
| CAS No. | 945750-42-5 |
| Alternate CAS No. | 1001098-42-5 (free base) |
| Molecular formula | C34H60N2O4S2 |
| Molecular weight | 624.4 |
| Availability | Back order— restocking can be arranged, about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | XL-019 |
| 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.
| 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-Z401MFV / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
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:
- Other impurities of XL-019
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401MFV
- Request a quotation for RS-Z401MFV
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 XL-019
All 30 further standards are listed here — every link is in the page, not loaded later.
-
XL-019 Impurity 1
CUSTOM SYNTHESISRS-X022001 -
XL-019 Impurity 21
BACK ORDERRS-Z401MFX -
XL-019 Impurity 27
BACK ORDERRS-X022004 -
XL-019 Impurity 29
CUSTOM SYNTHESISRS-Z401MFW -
XL-019 Impurity 34
BACK ORDERRS-X022005 -
XL-019 Impurity 61
BACK ORDERRS-Z401MG1 -
XL-019 Impurity 62
CUSTOM SYNTHESISRS-X022006 -
XL-019 Impurity 63
BACK ORDERRS-Z401E54 -
XL-019 Impurity 64
BACK ORDERRS-X022007 -
XL-019 Impurity 68
CUSTOM SYNTHESISRS-Z396VVM -
XL-019 Impurity 70
BACK ORDERRS-Z396VVE -
XL-019 Impurity 79
CUSTOM SYNTHESISRS-Z401MFZ -
XL-019 Impurity 80
CUSTOM SYNTHESISRS-X022008 -
XL-019 Impurity 81
BACK ORDERRS-Z396VVF -
XL-019 Impurity 82
BACK ORDERRS-Z393QF1 -
XL-019 Impurity 85
CUSTOM SYNTHESISRS-Z397PPB -
XL-019 Impurity 89
BACK ORDERRS-Z396VVC -
XL-019 Impurity 95
BACK ORDERRS-X022009 -
XL-019 Impurity 103
BACK ORDERRS-Z396VVL -
XL-019 Impurity 105
CUSTOM SYNTHESISRS-Z396VVD -
XL-019 Impurity 109
CUSTOM SYNTHESISRS-Z397JTW -
XL-019 Impurity 116
BACK ORDERRS-X022002 -
XL-019 Impurity 119
BACK ORDERRS-Z397V7S -
XL-019 Impurity 127
BACK ORDERRS-X022003 -
XL-019 Impurity 135
BACK ORDERRS-Z397JU5 -
XL-019 Impurity 139
BACK ORDERRS-Z401HDL -
XL-019 Impurity 153
BACK ORDERRS-Z397UYY -
XL-019 Impurity 155
IN STOCKRS-Z401MG3 -
XL-019 Impurity 157
BACK ORDERRS-Z396VVB -
XL-019 Impurity 159
BACK ORDERRS-Z394D4X
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.



























