Vitamin A EP Impurity A (Diels-Alder Dimers)
- CASnot assigned
- CatalogueRS-V033066
- FormulaC44H64O4C40H60O2
- MW656.98
On this page
structure on request
Product identification
| Product name | Vitamin A EP Impurity A (Diels-Alder Dimers) |
|---|---|
| Catalogue No. | RS-V033066 |
| CAS No. | not assigned |
| Molecular formula | C44H64O4C40H60O2 |
| Molecular weight | 656.98 |
| Standard type | Impurity Reference Standards |
| Drug substance | Vitamin A |
| Storage | 2℃ ~ 8℃ |
| Pack sizes | 10mg, 20mg, 25mg, 50mg, 100mg |
| 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-V033066 / 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-V033066 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: 2℃ ~ 8℃. 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
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-V033066
- Request a quotation for RS-V033066
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 102 further standards are listed here — every link is in the page, not loaded later.
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Vitamin A Impurity 45
COA per lot -
Vitamin A Impurity 94
COA per lot -
Vitamin A Impurity 44
COA per lot -
Vitamin A EP Impurity B
COA per lot -
Vitamin A Impurity 83
COA per lot -
Vitamin A Impurity 91
COA per lot -
Vitamin A Impurity 95
COA per lot -
Vitamin A Impurity 43
COA per lot -
Vitamin A Impurity 42
COA per lot -
Vitamin A Impurity 8
COA per lot -
Vitamin A Impurity 1
COA per lot -
Vitamin A Impurity 48
COA per lot -
Vitamin A Impurity 55 (Peridinin)
COA per lot -
13-cis-Retinyl Acetate
COA per lot -
Vitamin A Impurity 20
COA per lot -
Vitamin A Impurity 30 (Ethyl retinoate)
COA per lot -
Vitamin A Impurity 93
COA per lot -
Vitamin A Impurity 18
COA per lot -
Vitamin A Impurity 41
COA per lot -
Vitamin A Impurity 40
COA per lot -
Vitamin A Impurity 17 (13-Cis-Retinal)
COA per lot -
Vitamin A Impurity 61 (9-Cis-Retinal)
COA per lot -
Vitamin A Impurity 74
COA per lot -
Vitamin A Impurity 76 (11-Cis-Retinal)
COA per lot -
Vitamin A Impurity 72
COA per lot -
Vitamin A Impurity 39
COA per lot -
Vitamin A Impurity 90
COA per lot -
Vitamin A Impurity 81
COA per lot -
Vitamin A Impurity 9
COA per lot -
Vitamin A Impurity 12
COA per lot -
Vitamin A Impurity 92
COA per lot -
Vitamin A Impurity 15
COA per lot -
Vitamin A Impurity 88
COA per lot -
Vitamin A Impurity 13
COA per lot -
retro-Vitamin A acetate
COA per lot -
Vitamin A Impurity 23
COA per lot -
Vitamin A Impurity 27
COA per lot -
vitamin A acid ethylamide
COA per lot -
Vitamin A Impurity 85
COA per lot -
Vitamin A Impurity 70 (Mixture of E/Z-isomers)
COA per lot -
Vitamin A Impurity 52
COA per lot -
Vitamin A Impurity 79
COA per lot -
Vitamin A Impurity 89
COA per lot -
Vitamin A Impurity 51 (Mixture of E/Z-isomers)
COA per lot -
Vitamin A Impurity 59
COA per lot -
Vitamin A Impurity 32
COA per lot -
Vitamin A Impurity 53
COA per lot -
Vitamin A Impurity 58
COA per lot -
Vitamin A Impurity 62 (Mixture of E/Z Isomers)
COA per lot -
Vitamin A Impurity 63
COA per lot -
Vitamin A Impurity 64
COA per lot -
Vitamin A Impurity 65
COA per lot -
Vitamin A Impurity 66
COA per lot -
Vitamin A Impurity 67
COA per lot -
Vitamin A Impurity 73
COA per lot -
Vitamin A Impurity 80
COA per lot -
Vitamin A Impurity 82
COA per lot -
Vitamin A Impurity 86
COA per lot -
Vitamin A Impurity 87
COA per lot -
Vitamin A Impurity 97
COA per lot -
Vitamin A EP Impurity B (Z/Emixture)
COA per lot -
Vitamin A EP Impurity A
COA per lot -
Vitamin A EP Impurity A(Acetate)
COA per lot -
Vitamin A EP Impurity C(Mixture of E/Z Isomers)
COA per lot -
Vitamin A Impurity 7
COA per lot -
Vitamin A Impurity 98
COA per lot -
Vitamin A Impurity 99
COA per lot -
Vitamin A Impurity 51
COA per lot -
Vitamin A Impurity 56
COA per lot -
Vitamin A Impurity 62
COA per lot -
Vitamin A Impurity 67
COA per lot -
Vitamin A Impurity 100
COA per lot -
Vitamin A Impurity 69
COA per lot -
Vitamin A Impurity 101
COA per lot -
Vitamin A Impurity 75
COA per lot -
Vitamin A Impurity 77
COA per lot -
Vitamin A Impurity 102
COA per lot -
Vitamin A EP Impurity C(retro-vitamin A)
COA per lot -
Vitamin A Impurity 103
COA per lot -
Vitamin A Impurity 96
COA per lot -
Vitamin A EP Impurity C
COA per lot -
Vitamin A EP Impurity A (R=H)
COA per lot -
Vitamin A EP Impurity A (R=CO-CH3)
COA per lot -
Vitamin A Impurities and Related Compound
COA per lot -
Vitamin A EP Impurity A (Kitol)
COA per lot -
Vitamin A Impurity 2
COA per lot -
Vitamin A Impurity 3 (Mixture of Diastereomers)
COA per lot -
Vitamin A Impurity 4
COA per lot -
Vitamin A Impurity 5
COA per lot -
Vitamin A-[D6]
COA per lot
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.