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Global Pharmaceutical Intermediates · Research Chemicals · Custom Synthesis

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[BTC-1001] DAST (Diethylaminosulfur Trifluoride)
38078-09-0 / DAST (Diethylaminosulfur Trifluoride)
BTC-1001 CAS 38078-09-0 ≥98%, NMR Certified
Deoxofluorination Reagent of Choice. DAST (Diethylaminosulfur trifluoride) is BTC's flagship fluorination reagent, manufactured under ICH Q7-aligned GMP controls with a complete DAST product chain since 2015. It conve
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CAS RN: 38078-09-0
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Lead Time 3 days
¥ 778.76
[BTC-1002] Tetrahydro-4H-pyran-4-one
29943-42-8 / Tetrahydro-4H-pyran-4-one
BTC-1002 CAS 29943-42-8
Versatile Tetrahydropyran Building Block. Tetrahydro-4H-pyran-4-one is a workhorse building block for saturated oxygen heterocycles, supplied at ≥98% purity with batch-specific CoA and NMR documentation.
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CAS RN: 29943-42-8
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Lead Time 7 days
¥ 230.09
Packing & Shipment Sample
18621-17-5 / 1-(Diphenylmethyl)-3-hydroxyazetidine
BTC-1003 CAS 18621-17-5
Azetidine Synthon with Benzhydryl Protection. 1-(Diphenylmethyl)-3-hydroxyazetidine provides a protected 3-hydroxyazetidine handle for rapid library synthesis. High-purity material with low water content.
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CAS RN: 18621-17-5
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Lead Time 14 days
¥ 424.78
[BTC-1004] 2,2,6-Trimethyl-4H-1,3-dioxin-4-one
5394-63-8 / 2,2,6-Trimethyl-4H-1,3-dioxin-4-one
BTC-1004 CAS 5394-63-8
Dioxinone Acylation Reagent. 2,2,6-Trimethyl-4H-1,3-dioxin-4-one is the classic acylketene equivalent, thermally generating acylketenes for C-acylation of enolates and heteroatom nucleophiles.
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CAS RN: 5394-63-8
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Lead Time 7 days
¥ 283.19
[BTC-1005] 1-(2-Fluorophenyl)ethanone
445-27-2 / 1-(2-Fluorophenyl)ethanone
BTC-1005 CAS 445-27-2
Fluoroaryl Ketone Intermediate. 1-(2-Fluorophenyl)ethanone is a high-purity fluoroaromatic building block for pharmaceutical synthesis, with low isomeric impurity profile (ortho ≥99.5%).
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CAS RN: 445-27-2
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Lead Time 5 days
¥ 168.14
[BTC-1006] Bis(4-methoxybenzyl)amine
17061-62-0 / Bis(4-methoxybenzyl)amine
BTC-1006 CAS 17061-62-0
Bis-PMB Amine Building Block. Bis(4-methoxybenzyl)amine is a symmetric secondary amine building block bearing two PMB-removable aryl units, enabling divergent functionalization.
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CAS RN: 17061-62-0
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Lead Time 7 days
¥ 309.73
[BTC-1007] Tetrahydro-4-pyranol
2081-44-9 / Tetrahydro-4-pyranol
BTC-1007 CAS 2081-44-9
4-Hydroxytetrahydropyran Building Block. Tetrahydro-4-pyranol (4-Hydroxytetrahydropyran) is a saturated oxygen heterocycle offering a secondary alcohol handle for further elaboration.
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CAS RN: 2081-44-9
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Lead Time 5 days
¥ 185.84
[BTC-1008] L-Hydroxyproline
51-35-4 / L-Hydroxyproline
BTC-1008 CAS 51-35-4
Chiral Amino Acid Standard. L-Hydroxyproline is a natural chiral amino acid produced by fermentation-derived processes, supplied with optical purity verification per batch.
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CAS RN: 51-35-4
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Lead Time 3 days
¥ 141.59
[BTC-1009] 3-Oxetanone
6704-31-0 / 3-Oxetanone
BTC-1009 CAS 6704-31-0
Oxetane Scaffold for SAR Expansion. 3-Oxetanone is the key electrophilic precursor to 3-substituted oxetanes — the polarity-enhancing bioisostere increasingly favoured in modern drug design.
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CAS RN: 6704-31-0
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Lead Time 7 days
¥ 371.68
[BTC-1010] XtalFluor-E
63517-29-3 / XtalFluor-E
BTC-1010 CAS 63517-29-3
Next-Generation Deoxofluorination Reagent. XtalFluor-E offers enhanced thermal stability versus DAST with complementary reactivity, completing BTC's fluorination reagent toolbox for scale-up.
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CAS RN: 63517-29-3
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Lead Time 14 days
¥ 849.56