95
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Chem Impex International
anhydrous theophylline form Anhydrous Theophylline Form, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more https://www.bioz.com/product/caffeine+internal+standard/Theophylline%2C+anhydrous/pm37495026-33-0-5 Average 95 stars, based on 1 article reviews
anhydrous theophylline form - by Bioz Stars,
2026-09
95/100 stars
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90
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Cambridge Isotope Laboratories
caffeine surrogate internal standard (purity 99% 13 c 3 -labelled, −1) Caffeine Surrogate Internal Standard (Purity 99% 13 C 3 Labelled, −1), supplied by Cambridge Isotope Laboratories, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more https://www.bioz.com/product/caffeine+internal+standard/caffeine+surrogate+internal+standard++purity+99++13+c+3++labelled+++1+/pmc04339322-90-0-19 Average 90 stars, based on 1 article reviews
caffeine surrogate internal standard (purity 99% 13 c 3 -labelled, −1) - by Bioz Stars,
2026-09
90/100 stars
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90
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York Bioanalytical Solutions
caffeine and its internal standard, caffeine-13c3 Caffeine And Its Internal Standard, Caffeine 13c3, supplied by York Bioanalytical Solutions, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more https://www.bioz.com/product/caffeine+internal+standard/caffeine+and+its+internal+standard++caffeine+13c3/pm36808638-57-19-8 Average 90 stars, based on 1 article reviews
caffeine and its internal standard, caffeine-13c3 - by Bioz Stars,
2026-09
90/100 stars
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90
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honeywell international
reference standard for caffeine Reference Standard For Caffeine, supplied by honeywell international, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more https://www.bioz.com/product/caffeine+internal+standard/reference+standard+for+caffeine/pm29677345-68-4-11 Average 90 stars, based on 1 article reviews
reference standard for caffeine - by Bioz Stars,
2026-09
90/100 stars
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90
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Shandong Xinhua
caffeine (99.6% purity, internal standard) Caffeine (99.6% Purity, Internal Standard), supplied by Shandong Xinhua, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more https://www.bioz.com/product/caffeine+internal+standard/caffeine++99+6++purity++internal+standard+/pm15556542-27-0-7 Average 90 stars, based on 1 article reviews
caffeine (99.6% purity, internal standard) - by Bioz Stars,
2026-09
90/100 stars
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