Vitamin A Impurity 21
- CAS66879-87-6
- CatalogueRS-Z401K50
- FormulaC33H38P+
- MW465.27
BACK ORDER
On this page
Product identification
| Product name | Vitamin A Impurity 21 |
|---|---|
| Catalogue No. | RS-Z401K50 |
| CAS No. | 66879-87-6 |
| Molecular formula | C33H38P+ |
| Molecular weight | 465.27 |
| Availability | Back order— restocking can be arranged, about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | Vitamin A |
| 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-Z401K50 / 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-Z401K50 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:
- Other impurities of Vitamin A
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401K50
- Request a quotation for RS-Z401K50
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 Vitamin A
All 61 further standards are listed here — every link is in the page, not loaded later.
-
Vitamin A
IN STOCKRS-Z394CDS -
Vitamin A EP Impurity A (Mixture of Diastereomers)
BACK ORDERRS-V033003 -
Vitamin A EP Impurity A(Kitol) (Mixture of Diastereomers)
BACK ORDERRS-V033025 -
Vitamin A EP Impurity B
CUSTOM SYNTHESISRS-A113001 -
Vitamin A Impurity 1 (Diels-Alder Dimers) (Vitamin A EP Impurity A)
BACK ORDERRS-U006261 -
Vitamin A Impurity 3 (retro-Vitamin A) (Vitamin A EP Impurity C)
IN STOCKRS-V033004 -
(3E)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-3-buten-2-one
CUSTOM SYNTHESISRS-Z399B0P -
(E)-3,7-dimethylocta-2,6-dienoic acid
IN STOCKRS-Z412QWF -
11-cis Retinol
CUSTOM SYNTHESISRS-U006632 -
13-cis-Retinyl Acetate
IN STOCKRS-U006283 -
3-Dehydro Retinal
IN STOCKRS-C002187 -
3-Dehydro Retinol
IN STOCKRS-C002147 -
3-Dehydro Retinol Acetate
BACK ORDERRS-U068537 -
all-trans-Isocryptoxanthin
BACK ORDERRS-U078804 -
all-trans-Retinal
IN STOCKRS-C019006 -
all-trans-Retinoyl Fluoride
BACK ORDERRS-U078907 -
Anhydrolutein III
BACK ORDERRS-U059877 -
retro-Vitamin A acetate
IN STOCKRS-V033032 -
Rhodoxanthin
BACK ORDERRS-U080437 -
vitamin A acid ethylamide
IN STOCKRS-V033042 -
Vitamin A-d4
IN STOCKRS-I115007 -
Vitamins A-[D6]
IN STOCKRS-I115032 -
β-ionone 5,6-epoxide
IN STOCKRS-I516268 -
Teprenone Impurity 2 (Trans-Nerolidol)
IN STOCKRS-Z412QNE -
Vitamin A Impurity 8
IN STOCKRS-V033007 -
Vitamin A Impurity 9
IN STOCKRS-V033019 -
Vitamin A Impurity 12
CUSTOM SYNTHESISRS-V033001 -
Vitamin A Impurity 13
BACK ORDERRS-I002115 -
Vitamin A Impurity 15
IN STOCKRS-V033010 -
Vitamin A Impurity 17 (13-Cis-Retinal)
IN STOCKRS-V033029 -
Vitamin A Impurity 18
IN STOCKRS-V033014 -
Vitamin A Impurity 20
IN STOCKRS-V033027 -
Vitamin A Impurity 23
CUSTOM SYNTHESISRS-V033040 -
Vitamin A Impurity 27
BACK ORDERRS-V033041 -
Vitamin A Impurity 30 (Ethyl retinoate)
CUSTOM SYNTHESISRS-V033012 -
Vitamin A Impurity 39
BACK ORDERRS-V033018 -
Vitamin A Impurity 40
IN STOCKRS-V033028 -
Vitamin A Impurity 41
CUSTOM SYNTHESISRS-U008168 -
Vitamin A Impurity 42
CUSTOM SYNTHESISRS-V033023 -
Vitamin A Impurity 43
IN STOCKRS-V033034 -
Vitamin A Impurity 44
IN STOCKRS-V033021 -
Vitamin A Impurity 45
IN STOCKRS-V033002 -
Vitamin A Impurity 48
IN STOCKRS-V033009 -
Vitamin A Impurity 51 (Mixture of E/Z-isomers)
IN STOCKRS-V033035 -
Vitamin A Impurity 55 (Peridinin)
BACK ORDERRS-V033026 -
Vitamin A Impurity 59
IN STOCKRS-V033033 -
Vitamin A Impurity 61 (9-Cis-Retinal)
CUSTOM SYNTHESISRS-V033015 -
Vitamin A Impurity 72
IN STOCKRS-V033030 -
Vitamin A Impurity 74
IN STOCKRS-V033016 -
Vitamin A Impurity 76 (11-Cis-Retinal)
IN STOCKRS-V033017 -
Vitamin A Impurity 81
IN STOCKRS-V033031 -
Vitamin A Impurity 83
IN STOCKRS-V033005 -
Vitamin A Impurity 88
BACK ORDERRS-V033011 -
Vitamin A Impurity 90
CUSTOM SYNTHESISRS-U008192 -
Vitamin A Impurity 91
IN STOCKRS-V033006 -
Vitamin A Impurity 92
CUSTOM SYNTHESISRS-V033008 -
Vitamin A Impurity 93
IN STOCKRS-V033013 -
Vitamin A Impurity 94
IN STOCKRS-V033020 -
Vitamin A Impurity 95
IN STOCKRS-V033022
![Chemical structure of Vitamins A-[D6]](/structures/w4/FPIPGXGPPPQFEQ-ILKHKWFDSA-N.webp?v=8)
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.