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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rac-Fluvastatin Methyl Ester (Mixture of Diastereomers)

CAS: 202479-37-6
Formula: C₂₅H₂₈FNO₄
MW: 425.5 g/mol

ZX-042866

rac-N-Depropyl-7-oxo-pramipexole

CAS: 1391053-80-7
Formula: C₇H₉N₃OS
MW: 183.23 g/mol

ZX-044144

Racemic NNAL

CAS: 76014-81-8
Formula: C₁₀H₁₅N₃O₂
MW: 209.24 g/mol

ZX-041313

Reactive brown 2

CAS: 70210-17-2
Formula: C₃₁H₂₀ClN₉Na₄O₁₂S₄
MW: 966.2 g/mol

ZX-041519

Resazurin, tablets

CAS: 62758-13-8
Formula: C₁₂H₆NNaO₄
MW: 251.17 g/mol

ZX-011758

Rescinnamine

CAS: 24815-24-5
Formula: C₃₅H₄₂N₂O₉
MW: 634.7 g/mol

ZX-018963

Resorufin Sodium Salt ~90%

CAS: 34994-50-8
Formula: C₁₂H₆NNaO₃
MW: 235.17 g/mol

ZX-044027

Rhodamine 110 chloride, suitable for fluorescence, ≥99%

CAS: 13558-31-1
Formula: C₂₀H₁₅ClN₂O₃
MW: 366.8 g/mol

ZX-011485

Rhodanine, 97%

CAS: 141-84-4
Formula: C₃H₃NOS₂
MW: 133.2 g/mol

ZX-011424

Rhynchophyllin

CAS: 76-66-4
Formula: C₂₂H₂₈N₂O₄
MW: 384.5 g/mol

ZX-041361

Riboflavin Sodium Phosphate Salt, LR, for spectroscopy 73.00–79.00%

CAS: 130-40-5
Formula: C₁₇H₂₀N₄NaO₉P
MW: 478.3 g/mol

ZX-038355

Riboflavin, for spectroscopy ≥99.00%

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

ZX-038237

Rifapentine, ≥98% (HPLC)

CAS: 61379-65-5
Formula: C₄₇H₆₄N₄O₁₂
MW: 877 g/mol

ZX-011592

Rimsulfuron-Desulfon

CAS: 138724-53-5
Formula: C₁₄H₁₇N₅O₅S
MW: 367.38 g/mol

ZX-047201

Rose Bengal Sodium Salt

CAS: 632-69-9
Formula: C₂₀H₂Cl₄I₄Na₂O₅
MW: 1017.6 g/mol

ZX-011486

Rotundine, 99%

CAS: 10097-84-4
Formula: C₂₁H₂₅NO₄
MW: 355.4 g/mol

ZX-011593

RUTIN, LR

CAS: 153-18-4
Formula: C₂₇H₃₀O₁₆
MW: 610.5 g/mol

ZX-019700

S-(+)-Manidipine

CAS: 126451-47-6
Formula: C₃₅H₃₈N₄O₆
MW: 610.7 g/mol

ZX-033806

S-Adenosyl-L-methionine

CAS: 485-80-3
Formula: C₁₅H₂₃N₆O₅S⁺
MW: 399.4 g/mol

ZX-043045

S-Adenosyl-L-methionine, 99%

CAS: 29908-03-0
Formula: C₁₅H₂₂N₆O₅S
MW: 398.4 g/mol

ZX-011271

S-Doxazosin

CAS: 104874-86-4
Formula: C₂₃H₂₅N₅O₅
MW: 451.5 g/mol

ZX-044298

s-Triazine-1,3,5-triethanol, ≥75%

CAS: 4719-04-4
Formula: C₉H₂₁N₃O₃
MW: 219.28 g/mol

ZX-011594

Saccharin sodium, 98%

CAS: 6155-57-3
Formula: C₇H₈NNaO₅S
MW: 241.2 g/mol

ZX-011425

Saccharin sodium, extra pure

CAS: 82385-42-0
Formula: C₇H₆NNaO₄S
MW: 223.18 g/mol

ZX-019475

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