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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Riboflavin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Riboflavin 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 Riboflavin-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.

Riboflavin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(-)-Riboflavin 13C4, 15N2 Stable Isotopes CS-EK-00236 1217461-14-7 Enquire
Riboflavin Phosphate Sodium Salt-D3 Stable Isotopes CS-T-94145 130-40-5 (Unlabeled) Enquire
Riboflavin Phosphate Sodium Salt-d3 (Technical Grade (May co... Stable Isotopes CS-T-95009 130-40-5(Unlabeled) Enquire
Riboflavin-d7 (6-d1; 7,8-dimethyl-d6) Stable Isotopes CS-C-01410 83-88-5(Unlabelled) Enquire
Riboflavin-d8 Stable Isotopes CS-O-03067 83-88-5(Unlabeled) In Stock
Riboflavine 8-Methyl-D3 Stable Isotopes CS-T-94144 83-88-5 (unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Lumichrome API CS-T-31313 1086-80-2 In Stock
Riboflavin API CS-O-02238 83-88-5 In Stock
Lumiflavin API CS-T-31314 1088-56-8 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Riboflavin 3‘ 4‘-Diphosphate (Na Salt) Impurity CS-O-55099 86108-27-2 (Freebase) Enquire
Riboflavin 3‘ 4‘-Diphosphate (TEA Salt) Impurity CS-O-54563 86108-27-2 (Freebase) In Stock
Riboflavin 5'-(Dihydrogen Phosphate) Monosodium Dihydrate Impurity CS-T-61135 6184-17-4 In Stock
Riboflavin 5-Phosphate Sodium Impurity CS-O-02239 130-40-5 In Stock
Riboflavin EP Impurity C Impurity CS-T-53694 2535-20-8 Enquire
Riboflavin impurity E Impurity CS-O-52561 64480-68-8 Enquire
Riboflavin-4'-Phosphate Sodium Impurity CS-O-51764 494789-91-2 Enquire
Riboflavine 5'-phosphate Impurity CS-ED-02003 146-17-8 In Stock
Riboflavin 3’,4’-Diphosphate Impurity CS-T-85973 86108-27-2 Enquire
Riboflavin 3’,5’-Diphosphate Impurity CS-T-85073 86108-26-1 Enquire
Riboflavin 4’,5’-Diphosphate Impurity CS-T-85252 86108-25-0 Enquire
Riboflavin EP Impurity D Impurity CS-P-08690 52134-62-0 Enquire
Riboflavin Impurity C Impurity CS-P-06136 Not Available Enquire
Riboflavin Impurity D Impurity CS-P-06137 52134-62-0 Enquire
Riboflavin-4’-phosphate Impurity CS-T-85257 60697-29-2 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Aminoquinolyl-N-hydroxysuccinimidyl Carbamate Fine Chemicals CS-T-03449 148757-94-2 Enquire
Riboflavin Tetrabutyrate Fine Chemicals CS-ZE-15467 752-56-7 Enquire