[]
Press enter to search compound
Logo
Quick Enquiry
  • sales@clearsynth.com
A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    
Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Xanthine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Xanthine 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 Xanthine-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.

Xanthine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(3-carboxypropyl)3,7-dimethyl Xanthine-d6 Stable Isotopes CS-BV-00018 1246816-64-7 In Stock
1,7-Dimethylxanthine-d3 Stable Isotopes CS-B-00266 611-59-6 (unlabeled) Enquire
3-Methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tertbutyloxycarbonylamin... Stable Isotopes CS-T-100051 Not Available Enquire
3-Methylxanthine-[13C4,15N3] Stable Isotopes CS-I-00528 1173018-93-3 Enquire
5-Amino-3,7-dimethyl Xanthine-d6 Stable Isotopes CS-T-100881 1185126-58-2 Enquire
8-Bromo-3-methyl-d3-7-(2-butynyl)-xanthine Stable Isotopes CS-T-100730 Not Available Enquire
8-Bromoxanthine-15N2,13C Stable Isotopes CS-T-100726 Not Available Enquire
Hypoxanthine-13C2,15N (>90%) Stable Isotopes CS-T-102275 1330265-04-7 Enquire
1,7-Dimethylxanthine 13C4, 15N3 Stable Isotopes CS-R-00542 Not Available Enquire
1,7-Dimethylxanthine D6 Stable Isotopes CS-O-16235 117490-41-2 Enquire
1-Allyl-3,7-dimethyl-8-phenylxanthine-d5 Stable Isotopes CS-T-100984 Not Available Enquire
7-​Methyl Xanthine D3 Stable Isotopes CS-O-44345 1185878-99-2 Enquire
Hypoxanthine 13C Stable Isotopes CS-EK-00467 473249-93-3 Enquire
Hypoxanthine 13C2,15N Stable Isotopes CS-T-56561 1246820-04-1 Enquire
Hypoxanthine 13C3 15N2 Stable Isotopes CS-O-15457 68-94-0 (Unlabeled) Enquire
Hypoxanthine 13C3,15N2 Stable Isotopes CS-EK-01565 68-94-0 unlabeled Enquire
Hypoxanthine D3, OD Stable Isotopes CS-R-00599 98325-49-6 Enquire
Hypoxanthine-d4 Stable Isotopes CS-T-95135 Not Available Enquire
Paraxanthine-1-methyl-d3 Stable Isotopes CS-T-60154 188297-90-7 Enquire
Paraxanthine-d3 Stable Isotopes CS-T-83931 65566-70-3 Enquire
Xanthine 13C Stable Isotopes CS-EK-00100 69-89-6 unlabeled Enquire
Xanthine 15N2 Stable Isotopes CS-O-13466 161770-53-2 Enquire
Xanthine-13C15N2 Stable Isotopes CS-T-87935 1262670-81-4 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Xanthine API CS-P-06885 69-89-6 In Stock
Xanthine Oxidase API CS-EP-00571 9002-17-9 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methyl Xanthine Metabolite CS-O-10032 6136-37-4 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Deaza-2-mercapto-hypoxanthine Impurity CS-T-51651 67831-84-9 Enquire
8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine] Impurity CS-O-31413 666816-98-4 In Stock
8-Methylxanthine Impurity CS-T-102332 17338-96-4 Enquire
Temozolomide 2-Azahypoxanthine Impurity Impurity CS-O-08269 4656-86-4 In Stock
1-(5-Ketohexyl)-3-methyl Xanthine Impurity CS-T-30335 38975-46-1 Enquire
1-(Ethyl-3-carboxypropyl)-3,7-dimethylxanthine Impurity CS-T-54409 83636-88-8 Enquire
1-Allyl-3,7-dimethyl-8-p-sulfophenylxanthine Impurity CS-T-01687 149981-25-9 Enquire
3,7-Dimethyl-1-propargylxanthine Impurity CS-T-53677 14114-46-6 Enquire
3-Methyl-7-(5-oxohexyl)-1-propylxanthine Impurity CS-T-34650 55242-58-5 Enquire
8-​Bromoxanthine Impurity CS-T-94735 Not Available Enquire
8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanth... Impurity CS-T-21002 33120-34-2 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-[(4-Methylquinazolin-2-yl)methyl)]-3-methyl-7-(2-butin-1-y... Intermediate CS-O-31412 853029-57-9 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Xanthine oxidase-IN-1 Fine Chemicals CS-ZE-24860 1071970-13-2 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Paraxanthine Nitrosamine CS-O-45275 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Methylxanthine Secondary Standards CS-SS-25841-50MG 552-62-5 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methyl Xanthine-d3 Stable Isotope Reagent CS-T-58826 1216430-61-3 In Stock


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Xanthine CHR, 99% Biochemicals CS-SR-00468 69-89-6 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hypoxanthine Monosodium Building Blocks CS-BX-02541-1KG 45738-97-4 In Stock
Hypoxanthine monosodium salt Building Blocks CS-BX-02541 45738-97-4 Enquire