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

Biopterin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(6R)-Tetrahydro-L-biopterin-15N3,13C1 Triflate Stable Isotopes CS-T-97147 Not Available Enquire
(6R)-Tetrahydro-L-biopterin-d3 Sulfate (Mixture of Diastereo... Stable Isotopes CS-T-97148 Not Available Enquire
(6S)-Tetrahydro-L-biopterin-d3 Disulfate (Mixture of Diaster... Stable Isotopes CS-T-97146 1329499-33-3 Enquire
(6R)-Tetrahydro-L-biopterin-d3 Sulfate Stable Isotopes CS-T-93799 103130-44-5 (unlabelled) Enquire
2,3-Dihydro-2-N-acetyl-1',2'-di-O-acetyl-biopterin-d3 Stable Isotopes CS-T-52977 1346597-41-8 Enquire
7,8-Dihydro-L-biopterin-d3 Stable Isotopes CS-T-90539 1217782-44-9 Enquire
Biopterin D3 Stable Isotopes CS-T-49114 1217838-71-5 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-4a,5,7,8-tetrahydropteridine-4,6-dione Impurity CS-O-48777 2797434-53-6 Enquire
5,6-Dihydrobiopterin Impurity CS-EO-02120 251310-15-3 Enquire
7-(Hydroxymethyl)tetrahydrobiopterin Impurity CS-O-54658 ---- Enquire
7,8-dihydroxanthopterin Impurity CS-O-57889 1131-35-7 Enquire
Diacetylbiopterin Impurity CS-O-33205 62933-57-7 In Stock
S-Tetrahydrobiopterin Impurity CS-EO-00898 62961-57-3 Enquire
Quinonoid-(6R)-dihydro-L-biopterin Hydrochloride Impurity CS-T-85466 102340-67-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7,8-Dihydro-L-biopterin Intermediate CS-T-18695 6779-87-9 In Stock
L- Biopterin Intermediate CS-O-30872 22150-76-1 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(6R)-Tetrahydro-L-biopterin Sulfate Building Blocks CS-T-43628 103130-44-5 Enquire
(6S)-Tetrahydro-L-biopterin sulfate salt Building Blocks CS-T-61790 103130-45-6 Enquire