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Cayman Chemical Theophylline, Purity: ≥98%, CAS: 58-55-9, 5 mg
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Catalog No. 502949088
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An analytical reference standard categorized as a caffeine metabolite; has been found as an adulterant in seized heroin samples; has been used as a marker of authentic human urine specimens; intended for research and forensic applications

Catalog No. 50-294-9088 Supplier Cayman Chemical Supplier No. 329935 MG
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An analytical reference standard categorized as a caffeine metabolite; has been found as an adulterant in seized heroin samples; has been used as a marker of authentic human urine specimens; intended for research and forensic applications

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