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 Caffeine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Caffeine 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 Caffeine-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.

Caffeine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Caffeine 13C3 Stable Isotopes CS-BU-00027 58-08-2 (unlabeled) Enquire
Caffeine D6 Stable Isotopes CS-O-41405 104819-85-4 Enquire
CAFFEINE METHYL-13C Stable Isotopes CS-R-00572 202282-98-2 Enquire
Caffeine-13C Stable Isotopes CS-O-48399 Not Available In Stock
Caffeine-13C3 Stable Isotopes CS-T-69830 78072-66-9 In Stock
Caffeine-d10 Stable Isotopes CS-T-95583 1220356-33-1 In Stock
Caffeine-d3 Stable Isotopes CS-O-02851 26351-04-2 In Stock
Caffeine-d9 Stable Isotopes CS-T-50193 72238-85-8 In Stock
Caffeine-Monomethyl-13C Stable Isotopes CS-O-51792 1009378-86-2 In Stock
Isocaffeine-d3 Stable Isotopes CS-T-100143 519-32-4(unlabelled) Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Caffeidine API Standards CS-T-10021 20041-90-1 In Stock
Caffeine Citrate API Standards CS-T-50194 69-22-7 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
8-Chloro Caffeine Metabolites CS-T-50581 4921-49-7 In Stock
Caffeine EP Impurity B Metabolites CS-T-02645 7597-60-6 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
8-(3-Chlorostyryl)caffeine Impurities CS-T-73053 147700-11-6 Enquire
Caffeine EP Impurity E Hydrochloride (Caffeidine Hydrochlori... Impurities CS-P-07440 107605-95-8 In Stock
Caffeine EP Impurity F Impurities CS-T-38705 611-59-6 In Stock
Isocaffeine Impurities CS-T-29687 519-32-4 In Stock
N-Nitroso Theobromine Impurities CS-O-45276 Not Available Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Caffeine for system suitability (Y0000787) EP Standards CS-EG-00234 58-08-2 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Caffeine, 8-bromo- Intermediates CS-ED-18134 10381-82-5 Enquire