Ascorbic Acid impurities and related standards
18 reference standards related to Ascorbic Acid held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 16 impurity reference standards · 2 stable isotope labelled standards. CAS numbers are listed for 18 of 18; 16 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Ascorbic Acid Impurity 22 | 10238-03-6 | RS-A019001 | C6H10O6 | 178.05 |
| Ascorbic Acid impurity 23 | 1217529-45-7 | RS-A019003 | (13)C6H6O6 | 180.04 |
| Ascorbic Acid impurity H | 122046-79-1 | RS-A019004 | C7H8O7 | 204.03 |
| Ascorbic Acid impurity 18 | 1354064-87-1 | RS-A019006 | 13C6H8O6 | 182.05 |
| Ascorbic Acid Impurity 20 | 16533-48-5 | RS-A019007 | C6H10O7 | 194.04 |
| Ascorbic Acid impurity 24 | 19192-77-9 | RS-A019008 | C6H6O6 | 174.02 |
| Ascorbic Acid impurity 11 | 21675-47-8 | RS-A019010 | C6H10O7 | 194.04 |
| Ascorbic Acid EP Impurity D | 3031-98-9 | RS-A019011 | C7H12O7 | 208.06 |
| Ascorbic Acid impurity 14 | 33124-69-5 | RS-A019012 | C6H6O6 | 174.02 |
| Ascorbic Acid impurity 16 | 3445-22-5 | RS-A019013 | C6H8O7 | 192.03 |
| Ascorbic Acid EP Impurity C | 526-98-7 | RS-A019014 | C6H10O7 | 194.04 |
| Ascorbic Acid impurity G | 66757-69-5 | RS-A019015 | C6H6O7 | 190.01 |
| Ascorbic Acid impurity 12 | 67776-07-2 | RS-A019016 | C7H12O7 | 208.06 |
| Ascorbic Acid impurity 32 | 86404-04-8 | RS-A019017 | C8H12O6 | 204.06 |
| Ascorbic Acid impurity F | 89-65-6 | RS-A019018 | C6H8O6 | 176.03 |
| Ascorbic Acid impurity 19(Sodium salt) | 134-03-2 | RS-A019005 | C6H7O6.Na | 175.02 |
| Ascorbic Acid impurity 25 | 10504-35-5 | RS-A019002 | C6H8O6 | 176.03 |
| Ascorbic Acid Impurity 21 | 2073888-75-0 | RS-A019009 | C6H10O7 | 194.04 |
Structures
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Ascorbic Acid Impurity 22
COA per lot -
Ascorbic Acid impurity 23
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Ascorbic Acid impurity H
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Ascorbic Acid impurity 18
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Ascorbic Acid Impurity 20
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Ascorbic Acid impurity 24
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Ascorbic Acid impurity 11
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Ascorbic Acid EP Impurity D
COA per lot
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].






