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

Uracil Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-D-Arabinofuranosyluracil-13C,15N2 2',3',5'-Tribenzoate (α,... Stable Isotopes CS-T-101895 Not Available Enquire
1-ß-D-Arabinofuranosyluracil-2-C-methyl-d3, 13C Stable Isotopes CS-T-96645 1256490-38-6 Enquire
1-β-D-Arabinofuranosyluracil-13C,15N2 5'-Monophosphate Stable Isotopes CS-T-101896 Not Available Enquire
5-Acetylamino-6-amino-3-methyluracil-[13C4,15N3] Stable Isotopes CS-I-00486 1173022-65-5 Enquire
5-Amino-4-D-ribitylaminouracil Dihydrochloride-13C3 (90%) Stable Isotopes CS-T-96651 Not Available Enquire
5-Bromodihydrouracil-13C1, 15N2 Stable Isotopes CS-T-100736 Not Available Enquire
5-Fluorouracil-13C,15N2 Stable Isotopes CS-P-02912 1189423-58-2 In Stock
5-Fluorouracil-13C,15N2 N-β-D-Glucuronide Stable Isotopes CS-T-98458 Not Available Enquire
6-Amino-2-thiouracil-13C2 Stable Isotopes CS-T-99382 1330170-14-3 Enquire
6-Amino-5-nitro-2-thio-uracil-13C2,15N Stable Isotopes CS-T-102254 1330266-31-3 Enquire
6-Amino-5-nitrosouracil-13C,15N2 Stable Isotopes CS-T-100856 Not Available Enquire
6-Amino-5-nitrosouracil-13C2 Stable Isotopes CS-T-102253 Not Available Enquire
6-Amino-5-nitrouracil-13C3 Stable Isotopes CS-T-102473 2841166-05-8 Enquire
Propylthiouracil-d5 Stable Isotopes CS-O-15087 1189423-94-6 In Stock
Propylthiouracil-d5 2,3,4-Tri-O-acetyl-N-b-D-glucuronide Met... Stable Isotopes CS-T-98406 Not Available Enquire
Propylthiouracil-d5 N-b-D-Glucuronide Sodium Salt Stable Isotopes CS-T-102102 Not Available Enquire
Uracil Lyxonucleoside-13C,15N2 5'-Phosphate Stable Isotopes CS-T-102616 688301-42-0 Enquire
Uracil-d4 Stable Isotopes CS-ED-02352 24897-55-0 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-hydroxy Uracil Metabolite CS-O-06003 496-76-4 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5,6-DIHYDRO-6-METHYLURACIL Impurity CS-BX-01347 2434-49-3 Enquire
6-Hydroxy-1-Beta-D-arabinofuranosyl-hydrouracil Impurity CS-O-58708 ---- Enquire
Cidofovir uracil analog Impurity CS-O-58843 116558-96-4 Enquire
Dihydro Uracil Impurity CS-T-19034 504-07-4 In Stock
Emtricitabine Uracil Impurity Impurity CS-O-59295 1422361-25-8 Enquire
Fluorouracil Dimer Impurity Impurity CS-O-47900 Not Available Enquire
Fluorouracil Impurity 11 Impurity CS-O-45436 Not Available Enquire
Fluorouracil Impurity 17 Impurity CS-O-59991 62836-98-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-ß-D-Arabinofuranosyluracil Intermediate CS-T-48310 3083-77-0 In Stock
4-(3-Hydroxypropylamino)-1,3-dimethyluracil Intermediate CS-O-41487 34654-80-3 In Stock
6-Amino-3-methyluracil Intermediate CS-T-03101 21236-97-5 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Propylthiouracil-Beta-D-Glucuronide Glucuronide CS-T-60853 33987-24-5 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-Dimethyluracil Fine Chemicals CS-M-57493 874-14-6 In Stock
5-Azauracil Fine Chemicals CS-T-04482 71-33-0 In Stock
5-Bromouracil Fine Chemicals CS-O-01027 51-20-7 In Stock
5-Chlorouracil Fine Chemicals CS-O-01151 1820-81-1 In Stock
5-Fluoro Uracil Fine Chemicals CS-O-30920 51-21-8 In Stock
6-Amino-5-formamido-uracil Fine Chemicals CS-O-60739 10184-00-6 Enquire
6-Chlorouracil Fine Chemicals CS-T-12750 4270-27-3 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-(3-Hydroxypropyl N-Nitrosamine)-1,3-dimethyluracil Nitrosamine CS-O-52401 ---- Enquire
6-Amino-5-nitroso-3-methyluracil Nitrosamine CS-T-47962 61033-04-3 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Methyluracil-d8 Stable Isotope Reagent CS-T-103737 2376506-60-2 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Emtricitabine 5-fluorouracil analog Therapeutic CS-O-16331 145986-11-4 In Stock
Uracil Therapeutic CS-T-46139 66-22-8 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-(Trifluoromethyl)uracil Building Blocks CS-M-02415 54-20-6 In Stock