Pharmaceutical Intermediates

Heterocyclic Building Blocks

Nitrogen, oxygen and sulphur heterocycles, including pyridines, pyrimidines, indoles, piperazines and triazoles, for medicinal and process chemistry.

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Bismuthiol I

CAS: 1072-71-5
Formula: C₂H₂N₂S₃
MW: 150.3 g/mol

ZX-011402

Bispyrazolone, ≥95.00%

CAS: 7477-67-0
Formula: C₂₀H₁₈N₄O₂
MW: 346.4 g/mol

ZX-038351

Blue dextran

CAS: 87915-38-6
Formula: C₂₅H₁₇FN₆
MW: 420.4 g/mol

ZX-018887

Boc-His(Trt)-Aib-OH

CAS: 2061897-68-3
Formula: C₃₄H₃₈N₄O₅
MW: 582.7 g/mol

ZX-035313

Boc-His(Trt)-OH, ≥98% (TLC)

CAS: 32926-43-5
Formula: C₃₀H₃₁N₃O₄
MW: 497.6 g/mol

ZX-011243

Borane-morpholine complex, extra pure >95%

CAS: 4856-95-5
Formula: C₄H₁₂BNO
MW: 100.96 g/mol

ZX-018938

Borane-pyridine Complex

CAS: 110-51-0
Formula: C₅H₈BN
MW: 92.94 g/mol

ZX-044638

BPTES

CAS: 314045-39-1
Formula: C₂₄H₂₄N₆O₂S₃
MW: 524.7 g/mol

ZX-045758

Bradykinin

CAS: 58-82-2
Formula: C₅₀H₇₃N₁₅O₁₁
MW: 1060.2 g/mol

ZX-041213

Bromobimane, ≥97%

CAS: 71418-44-5
Formula: C₁₀H₁₁BrN₂O₂
MW: 271.11 g/mol

ZX-011648

Brucine dihydrate, 98.5%

CAS: 145428-94-0
Formula: C₂₃H₃₀N₂O₆
MW: 430.5 g/mol

ZX-011558

Brucine sulphate heptahydrate, ACS, AR

CAS: 5787-00-8
Formula: C₄₆H₆₈N₄O₁₉S
MW: 1013.1 g/mol

ZX-019563

Brucine sulphate, AR

CAS: 60583-39-3
Formula: C₄₆H₆₈N₄O₁₉S
MW: 1013.1 g/mol

ZX-019465

Brucine sulphate, LR

CAS: 5787-00-8
Formula: C₄₆H₆₈N₄O₁₉S
MW: 1013.1 g/mol

ZX-019657

Bumetrizole

CAS: 3896-11-5
Formula: C₁₇H₁₈ClN₃O
MW: 315.8 g/mol

ZX-035353

Bupirimate

CAS: 41483-43-6
Formula: C₁₃H₂₄N₄O₃S
MW: 316.42 g/mol

ZX-042087

Caffeine, 98%

CAS: 58-08-2
Formula: C₈H₁₀N₄O₂
MW: 194.19 g/mol

ZX-011244

Caffeine, GR 99%+

CAS: 58-08-2
Formula: C₈H₁₀N₄O₂
MW: 194.19 g/mol

ZX-011245

Calcium Saccharin

CAS: 6485-34-3
Formula: C₁₄H₈CaN₂O₆S₂
MW: 404.4 g/mol

ZX-040383

Cannabisativine

CAS: 57682-64-1
Formula: C₂₁H₃₉N₃O₃
MW: 381.6 g/mol

ZX-042227

Caprolactam Cyclic Tetramer

CAS: 5834-63-9
Formula: C₂₄H₄₄N₄O₄
MW: 452.6 g/mol

ZX-035016

Caprolactam, 99%

CAS: 105-60-2
Formula: C₆H₁₁NO
MW: 113.16 g/mol

ZX-011738

Captopril powder, ≥98% (HPLC)

CAS: 62571-86-2
Formula: C₉H₁₅NO₃S
MW: 217.29 g/mol

ZX-011649

Carboxin-sulfoxide

CAS: 17757-70-9
Formula: C₁₂H₁₃NO₃S
MW: 251.3 g/mol

ZX-039577

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