Ascorbic Acid Impurities

Ascorbic Acid Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Ascorbic Acid, pharmacopeial and non-pharmacopeial Ascorbic Acid impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Ascorbic Acid impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Ascorbic Acid-related products are thoroughly characterized. Ascorbic Acid products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

2,3-Diketo-L-gulonic acid

SZ CAT No:	: SZ-A079017
CAS No	: 3445-22-5
Mol.F.	: C6H8O7
Mol.Wt.	: 192.1
Inv. Status	: In Stock

3-O-Ethyl-L-ascorbic Acid

SZ CAT No:	: SZ-A079008
CAS No	: 86404-04-8
Mol.F.	: C8H12O6
Mol.Wt.	: 204.2
Inv. Status	: In Stock

Ascorbic Acid EP Impurity A

SZ CAT No:	: SZ-A079001
CAS No	: 98-01-1
Mol.F.	: C5H4O2
Mol.Wt.	: 96.1
Inv. Status	: In Stock
Rel. CAS No	: 721436-53-9 (hydrate)

Ascorbic Acid EP Impurity C (H2O)

SZ CAT No:	: SZ-A079006
CAS No	: 342385-52-8
Mol.F.	: C6H10O7 : H2O
Mol.Wt.	: 194.1 : 18.0
Inv. Status	: In Stock
Rel. CAS No	: 526-98-7 (free base)

Ascorbic Acid EP Impurity D

SZ CAT No:	: SZ-A079007
CAS No	: 3031-98-9
Mol.F.	: C7H12O7
Mol.Wt.	: 208.2
Inv. Status	: In Stock

Ascorbic Acid EP Impurity E

SZ CAT No:	: SZ-A079018
CAS No	: 144-62-7
Mol.F.	: C2H2O4
Mol.Wt.	: 90.0
Inv. Status	: In Stock
Rel. CAS No	: 856335-90-5 (hydrate) ;

Ascorbic Acid EP Impurity F

SZ CAT No:	: SZ-A079009
CAS No	: 89-65-6
Mol.F.	: C6H8O6
Mol.Wt.	: 176.1
Inv. Status	: In Stock

Ascorbyl glucoside

SZ CAT No:	: SZ-A079014
CAS No	: 129499-78-1
Mol.F.	: C12H18O11
Mol.Wt.	: 338.3
Inv. Status	: In Stock
Rel. CAS No	: 2178105-19-4 (Na salt)

L-Ascorbic Acid Monosodium Salt (Sodium Ascorbate)

SZ CAT No:	: SZ-A079016
CAS No	: 134-03-2
Mol.F.	: C6H8O6 : Na
Mol.Wt.	: 176.1 : 23.0
Inv. Status	: In Stock
Rel. CAS No	: 50-81-7 (free base)

L-Dehydro Ascorbic Acid

SZ CAT No:	: SZ-A079015
CAS No	: 490-83-5
Mol.F.	: C6H6O6
Mol.Wt.	: 174.1
Inv. Status	: In Stock
Rel. CAS No	: 51260-76-5 (Na salt)

2-O-Ethyl-L-Ascorbic Acid

SZ CAT No:	: SZ-A079019
CAS No	: 112894-37-8
Mol.F.	: C8H12O6
Mol.Wt.	: 204.2
Inv. Status	: Custom Synthesis

Ascorbic Acid EP Impurity G

SZ CAT No:	: SZ-A079004
CAS No	: 66757-69-5
Mol.F.	: C6H6O7
Mol.Wt.	: 190.1
Inv. Status	: Custom Synthesis
Rel. CAS No	: 82450-00-8 (sodium salt)

Ascorbic Acid EP Impurity H

SZ CAT No:	: SZ-A079005
CAS No	: 122046-79-1
Mol.F.	: C7H8O7
Mol.Wt.	: 204.1
Inv. Status	: Custom Synthesis

Ascorbic Acid Impurity 3

SZ CAT No:	: SZ-A079023
CAS No	: NA
Mol.F.	: C6H4O6
Mol.Wt.	: 172.1
Inv. Status	: Custom Synthesis

Ascorbyl Impurity 1

SZ CAT No:	: SZ-A079011
CAS No	: 21675-47-8
Mol.F.	: C6H10O7
Mol.Wt.	: 194.1
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1217462-55-9 (Hydrate) ; 91446-96-7 (Potassium salt)

Ascorbyl Palmitate

SZ CAT No:	: SZ-A079010
CAS No	: 137-66-6
Mol.F.	: C22H38O7
Mol.Wt.	: 414.5
Inv. Status	: Custom Synthesis

D-Xylo-2-hexulosonic Acid Ethyl Ester

SZ CAT No:	: SZ-A079003
CAS No	: 67776-07-2
Mol.F.	: C7H12O7
Mol.Wt.	: 208.2
Inv. Status	: Custom Synthesis

L(+) Gluconic Acid

SZ CAT No:	: SZ-A079012
CAS No	: 157663-13-3
Mol.F.	: C6H12O7
Mol.Wt.	: 196.2
Inv. Status	: Custom Synthesis

Magnesium Ascorbyl Phosphate

SZ CAT No:	: SZ-A079013
CAS No	: 113170-55-1
Mol.F.	: C6H9O9P : 1.5(Mg)
Mol.Wt.	: 256.1 : 1.5(24.3)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 23313-12-4 (free base)

2,3-Diketogulonic Acid

SZ CAT No:	: SZ-A079020
CAS No	: 3409-57-2
Mol.F.	: C6H8O7
Mol.Wt.	: 192.1
Inv. Status	: Under Synthesis

Ascorbic Acid Impurity 1

SZ CAT No:	: SZ-A079021
CAS No	: 1822601-67-1
Mol.F.	: C6H6O7
Mol.Wt.	: 190.1
Inv. Status	: Under Synthesis

Ascorbic Acid Impurity 2

SZ CAT No:	: SZ-A079022
CAS No	: 59173-60-3
Mol.F.	: C6H8O7
Mol.Wt.	: 192.1
Inv. Status	: Under Synthesis

D-Ascorbic Acid

SZ CAT No:	: SZ-A079027
CAS No	: 10504-35-5
Mol.F.	: C6H8O6
Mol.Wt.	: 176.1
Inv. Status	: Under Synthesis
Rel. CAS No	: 58657-35-5 (free base)

D-Threonic acid-1,4,-lactone

SZ CAT No:	: SZ-A079028
CAS No	: 23732-41-4
Mol.F.	: C4H6O4
Mol.Wt.	: 118.1
Inv. Status	: Under Synthesis

L-Threosone

SZ CAT No:	: SZ-A079026
CAS No	: 54097-87-9
Mol.F.	: C4H6O4
Mol.Wt.	: 118.1
Inv. Status	: Under Synthesis

Threonic acid

SZ CAT No:	: SZ-A079024
CAS No	: 3909-12-4
Mol.F.	: C4H8O5
Mol.Wt.	: 136.1
Inv. Status	: Under Synthesis

Xylosone

SZ CAT No:	: SZ-A079025
CAS No	: 26188-06-7
Mol.F.	: C5H8O5
Mol.Wt.	: 148.1
Inv. Status	: Under Synthesis

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