Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Ascorbic Acid, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Ascorbic Acid impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Ascorbic Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Ascorbic Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Ascorbic Acid Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ascorbic acid-13C6 | Stable Isotopes | CS-O-10050 | 1354064-87-1 | In Stock |
| L-[1,2-13C2]ascorbic acid | Stable Isotopes | CS-OC-00050 | 50-81-7 (unlabeled) | Enquire |
| L-[1,3-13C2]ascorbic acid | Stable Isotopes | CS-OC-00049 | 50-81-7 (unlabeled) | Enquire |
| L-[1,6-13C2]ascorbic acid | Stable Isotopes | CS-OC-00313 | 50-81-7 (unlabeled) | Enquire |
| L-[3-13C]ascorbic acid | Stable Isotopes | CS-OC-00052 | 50-81-7 (unlabeled) | Enquire |
| L-[5,6-18O2]ascorbic acid | Stable Isotopes | CS-OC-00311 | 50-81-7 (unlabeled) | Enquire |
| L-[5-13C]ascorbic acid | Stable Isotopes | CS-OC-00051 | 50-81-7 (unlabeled) | Enquire |
| L-[6,6'-D2]ascorbic acid | Stable Isotopes | CS-OC-00312 | 50-81-7 (unlabeled) | Enquire |
| L-Ascorbic acid 13C6 | Stable Isotopes | CS-EK-02305 | 50-81-7 unlabeled | Enquire |
| L-Ascorbic acid-1 13C | Stable Isotopes | CS-T-48370 | 178101-88-7 | In Stock |
| L-Ascorbic Acid-2 13C | Stable Isotopes | CS-T-48371 | 178101-89-8 | Enquire |
| L-Ascorbic Acid-6 13C | Stable Isotopes | CS-T-48372 | 149153-08-2 | Enquire |
| L-Ascorbic acid-6,6’-d2 | Stable Isotopes | CS-T-96641 | Not Available | Enquire |
| Ascorbic Acid-d4 | Stable Isotopes | CS-P-08526 | Not Available | Enquire |
| L-Ascorbic Acid 2-(Dihydrogen Phosphate) Cyclohexanamine 13C... | Stable Isotopes | CS-T-48374 | 82134-96-1 | Enquire |
| L-Dehydro Ascorbic Acid-13C6 | Stable Isotopes | CS-T-73101 | 1217529-45-7 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ascorbic acid | API | CS-O-00843 | 50-81-7 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ascorbic Acid 3-Sulfate | Metabolite | CS-P-07069 | 22430-27-9 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Keto-L-Gulonic Acid | Impurity | CS-P-08525 | 526-98-7 | Enquire |
| 2-O-Ethyl-L-ascorbic Acid | Impurity | CS-O-56891 | 112894-37-8 | Enquire |
| Ascorbic acid EP Imp-E (Oxalic acid) | Impurity | CS-T-38166 | 144-62-7 | In Stock |
| Ascorbic Acid EP Impurity A | Impurity | CS-T-24964 | 98-01-1 | In Stock |
| Ascorbic Acid EP Impurity C | Impurity | CS-T-62791 | 16533-48-5 | In Stock |
| Ascorbic Acid EP Impurity D | Impurity | CS-T-57007 | 67776-07-2 | In Stock |
| Ascorbic Acid EP Impurity F | Impurity | CS-T-21939 | 89-65-6 | In Stock |
| Ascorbic Acid EP Impurity G | Impurity | CS-O-14290 | 66757-69-5 | In Stock |
| Ascorbic Acid EP Impurity B | Impurity | CS-O-14292 | Not Available | Enquire |
| Ascorbic Acid EP Impurity H | Impurity | CS-O-14291 | 122046-79-1 | Enquire |
| Ascorbic Acid Impurity 6 (L-xylo-2-Hexulopyranosonic acid) | Impurity | CS-P-08524 | 2073888-75-0 | Enquire |
| Ascorbyl tetraisopalmitate | Impurity | CS-P-07190 | 183476-82-6 | Enquire |
| Dehydro Ascorbic Acid (threo-2,3-Hexodiulosonic Acid, gama-l... | Impurity | CS-P-07068 | 33124-69-5 | Enquire |
| Dehydro-L-(+)-ascorbic acid dimer | Impurity | CS-BX-01020 | 72691-25-9 | Enquire |
| Ferrous Ascorbate | Impurity | CS-O-40904 | 24808-52-4 | Enquire |
| L-Dehydro Ascorbic Acid | Impurity | CS-T-14824 | 490-83-5 | In Stock |
| Magnesium Ascorbic Acid Phosphate and Ciprofloxacin Hydrochl... | Impurity | CS-O-13254 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Phospho-L-ascorbic Acid Trisodium Salt | Intermediate | CS-T-83885 | 66170-10-3 | In Stock |
| Ascorbyl Palmitate | Intermediate | CS-T-48375 | 137-66-6 | In Stock |
| L-Ascorbic acid 2-Phosphate Magnesium Hydrate | Intermediate | CS-ED-11645 | 1713265-25-8 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| D-glucaro-1,4-lactone | Glucuronide | CS-ED-00787 | 389-36-6 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (3S,4R,5S)-Methyl 3,4,5,6-Tetrahydroxy-2-Oxohexanoate | Fine Chemicals | CS-MM-09471 | 3031-98-9 | In Stock |
| 2-Keto-D-gulonic Acid | Fine Chemicals | CS-T-57006 | 21675-47-8 | In Stock |
| L-Ascorbic acid 2-phosphate Magnesium Hydrate | Fine Chemicals | CS-CG-00009 | 113170-55-1 | In Stock |
| Sulfur Trioxide-Triethylamine Complex | Fine Chemicals | CS-O-15626 | 761-01-3 | In Stock |
| 2-O-Octadecylascorbic acid | Fine Chemicals | CS-ED-01557 | 98829-12-0 | Enquire |
| D-Ascorbic acid | Fine Chemicals | CS-ED-02046 | 10504-35-5 | Enquire |
| L-Gluconic acid | Fine Chemicals | CS-ZH-19121 | 157663-13-3 | Enquire |
| L-isoascorbic acid | Fine Chemicals | CS-ED-01880 | 26094-91-7 | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ascorbic Acid | Secondary Standards | CS-SS-24070-1GM | 50-81-7 | In Stock |
| Ascorbic Acid | Secondary Standards | CS-SS-24070-10GM | 50-81-7 | Enquire |
| Ascorbic Acid | Secondary Standards | CS-SS-24070 | 50-81-7 | Enquire |
| Ascorbic Acid | Secondary Standards | CS-SS-24070-2GM | 50-81-7 | Enquire |
| Ascorbic acid Impurity C | Secondary Standards | CS-SS-24660-30MG | 21675-47-8 | Enquire |
| Ascorbic Acid Impurity D | Secondary Standards | CS-SS-24661-30MG | 3031-98-9 | Enquire |
| Ascorbic Acid Impurity F | Secondary Standards | CS-SS-25252-100MG | 89-65-6 | Enquire |
| Ascorbic Acid Impurity H | Secondary Standards | CS-SS-25674 | 204.13 | Enquire |
Biochemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| L-Ascorbic acid, for molecular biology, ≥99.5% | Biochemicals | CS-SR-00671 | 50-81-7 | Enquire |
| L-Ascorbic Acid for molecular biology, 99.7% | Biochemicals | CS-SR-00027 | 50-81-7 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Keto-L-gulonic acid hydrate | Building Blocks | CS-DV-01759 | 342385-52-8 | Enquire |
| Sodium Ascorbate | Building Blocks | CS-O-02296 | 134-03-2 | In Stock |
| 3-O-Ethyl-L-ascorbic Acid | Building Blocks | CS-DJ-00764 | 86404-04-8 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Ascorbic Acid EP Impurity D(Y0001170) | EP Standards | CS-EG-03254 | 67776-07-2 | Enquire |