Heterocyclic Building Blocks

Alfa Aesar™ Rhodanine, 98+%

Chemical Name or Material: Rhodanine CAS: 141-84-4 Molecular Formula: C3H3NOS2 Formula Weight: 133.19 MDL Number: MFCD00005488 Beilstein: 110701 Merck Index: 14,8184 Synonym: 4-Thiazolidinone-2-thione; 2-Thioxo-4-thiazolidinone RHODANINE, 98% 25G

2-Thiophenecarbonitrile, 97%, ACROS Organics™

Chemical Name or Material: 2-Thiophenecarbonitrile Name Note: 97% CAS: 1003-31-2 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C5H3NS Formula Weight: 109.15 MDL Number: MFCD00005416 Synonym: 2-Cyanothiophene 250ML 2-Thiophenecarbonitrile, 97%

Alfa Aesar™ 1,3-Dimethylimidazolium dimethyl phosphate, 98%

Chemical Name or Material: 1,3-Dimethylimidazolium dimethyl phosphate CAS: 654058-04-5 Molecular Formula: C7H15N2O4P Formula Weight: 222.18 MDL Number: MFCD08275369 1,3-DIMETHYLIMIDAZOLIUM D IMETHYLPHOSPHATE, 98% 5G

N-Chlorosuccinimide, 97%, ACROS Organics™

Chemical Name or Material: N-Chlorosuccinimide Assay: 97% Assay Percent Range: 97% Molecular Formula: C4H4ClNO2 Formula Weight: 133.53 Synonym: NCS 2.5KG N-Chlorosuccinimide, 97%

Uric acid, +99%, ACROS Organics™

Chemical Name or Material: Uric acid Name Note: 99+% CAS: 69-93-2 Assay: ≥99.0% (ex N) Assay Percent Range: 99+% Molecular Formula: C5H4N4O3 Formula Weight: 168.11 MDL Number: MFCD00005712 Synonym: 2, 6, 8-Trioxypurine 25GR Uric acid, 99+%

Kojic acid, 99%, ACROS Organics™

Chemical Name or Material: Kojic acid Assay: 99% Assay Percent Range: 99% Molecular Formula: C6H6O4 Formula Weight: 142.11 Synonym: 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one 100GR Kojic acid, 99%

Brucine, 99%, anhydrous, ACROS Organics™

Chemical Name or Material: Brucine Name Note: Anhydrous CAS: 357-57-3 Assay: 99% Assay Percent Range: 99% Molecular Formula: C23H26N2O4 Formula Weight: 394.46 MDL Number: MFCD00005942 100GR Brucine, 99%, anhydrous

Rhodamine WT, 20% solution in water, ACROS Organics™

Chemical Name or Material: Rhodamine WT CAS: 37299-86-8 CAS: 7732-18-5 Molecular Formula: C29H29ClN2Na2O5 Formula Weight: 566.99 1LT Rhodamine WT, 20% solution in water

Succinimide, 98%, ACROS Organics™

Chemical Name or Material: Succinimide Name Note: 98% CAS: 123-56-8 Assay: 98% Assay Percent Range: 98% Molecular Formula: C4H5NO2 Formula Weight: 99.08 MDL Number: MFCD00005495 Synonym: 2, 5-Pyrrolidinedione 5KG Succinimide, 98%

Rhodamine 123, +99%, ACROS Organics™

Chemical Name or Material: Rhodamine 123 Name Note: 99+% CAS: 62669-70-9 Purity Grade: Extra Pure Assay Percent Range: 99+% Molecular Formula: C21H17ClN2O3 Formula Weight: 380.82 MDL Number: MFCD00012664 100MG Rhodamine 123, 99+%, pure

1,3-Butadiene diepoxide, 98+%, AcroSeal™, ACROS Organics™

50ML 1,3-Butadiene diepoxide, 98+%, AcroSeal

Alfa Aesar™ 1-(2,3,4-Trimethoxybenzyl)piperazine dihydrochloride, 97%

Chemical Name or Material: 1-(2,3,4-Trimethoxybenzyl)piperazine dihydrochloride CAS: 13171-25-0 Molecular Formula: C14H22N2O3·2HCl Formula Weight: 339.26 MDL Number: MFCD00243086 Merck Index: 14,9705 Synonym: Trimetazidine dihydrochloride 1-(2,3,4-TRIMETHOXYBENZYL )PIPERAZINE DIHCL 25G

4-Methylumbelliferyl-β-D-xylopyranoside, 99%, ACROS Organics™

250MG 4-Methylumbelliferyl-beta-D-xylopyranoside,99%

IR-125, Laser Grade, ACROS Organics™

Chemical Name or Material: IR-125 CAS: 3599-32-4 Purity Grade: Pure Molecular Formula: C43H47N2NaO6S2 Formula Weight: 774.97 MDL Number: MFCD00013078 Synonym: Indocyanine Green 100MG IR-125, pure, laser grade

Alfa Aesar™ Butadiene diepoxide, 95%

Chemical Name or Material: Butadiene diepoxide CAS: 1464-53-5 Molecular Formula: C4H6O2 Formula Weight: 86.09 MDL Number: MFCD00005120 UN Number: UN2929 Beilstein: 79831 Merck Index: 14,3676 Synonym: 2,2'-Bioxirane; 1,2:3,4-Diepoxybutane BUTADIENE DIEPOXIDE, 97% 5G

Caffeine, 1mg/ml in methanol, ACROS Organics™

1ML Caffeine, 1mg/ml in methanol

Alfa Aesar™ 10-Hydroxybenzo[h]quinoline, 98%

Chemical Name or Material: 10-Hydroxybenzo[h]quinoline CAS: 33155-90-7 Molecular Formula: C13H9NO Formula Weight: 195.22 MDL Number: MFCD00142350 Beilstein: 141770 10-HYDROXYBENZO(H)QUINOLINE,25G

Creatinine, 99+%, ACROS Organics™

Chemical Name or Material: Creatinine Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C4H7N3O Formula Weight: 113.12 50GR Creatinine, 99+%

Alfa Aesar™ Ethyl 5-chlorothiophene-2-carboxylate, 98+%

Chemical Name or Material: Ethyl 5-chlorothiophene-2-carboxylate CAS: 5751-82-6 Molecular Formula: C7H7ClO2S Formula Weight: 190.65 MDL Number: MFCD00051732 Beilstein: 128707 Synonym: 5-Chlorothiophene-2-carboxylic acid ethyl ester ETHYL 5-CHLOROTHIOPHENE-2-CARBOXYLATE, 98+%,25G

(S)-3-Fluoropyrrolidine hydrochloride, 97%, ACROS Organics™

Chemical Name or Material: (S)-3-Fluoropyrrolidine hydrochloride CAS: 136725-53-6 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 96.0 to 104.0% Assay Percent Range: 97% Molecular Formula: C4H8FN·ClH Formula Weight: 125.57 5GR (S)-3-Fluoropyrrolidine hydrochloride, 97%

Rose Bengal, 85%, pure, certified, ACROS Organics™

Chemical Name or Material: Rose Bengal CAS: 632-69-9 Purity Grade: Pure Assay Percent Range: 85% Molecular Formula: C20H2Cl4I4Na2O5 Formula Weight: 1017.65 MDL Number: MFCD00005043 Synonym: Acid Red 94 100GR Rose Bengal, 85%, pure, certified

L-Histidine, 98%, ACROS Organics™

Chemical Name or Material: L-Histidine CAS: 71-00-1 Assay: 98% Assay Percent Range: 98% Molecular Formula: C6H9N3O2 Formula Weight: 155.16 MDL Number: MFCD00064315 Synonym: His 500GR L-Histidine, 98%

Alfa Aesar™ (+/-)-trans-N-Boc-4-[4-(trifluoromethyl)phenyl]pyrrolidine-3-carboxylic acid, 95%

Chemical Name or Material: (+/-)-trans-N-Boc-4-[4-(trifluoromethyl)phenyl]pyrrolidine-3-carboxylic acid CAS: 955137-85-6 Molecular Formula: C17H20F3NO4 Formula Weight: 359.34 MDL Number: MFCD02089478 1GR (^+)-trans-N-Boc-4-[4-(trifluoromethyl)phenyl]pyrrolidine-3-carboxylic acid, 95% 1g

4-Hydroxycarbazole, 98+%, ACROS Organics™

Chemical Name or Material: 4-Hydroxycarbazole CAS: 52602-39-8 CAS Min %: 98.0 CAS Max %: 100.0 Assay: ≥98.0% Assay Percent Range: 98+% Molecular Formula: C12H9NO Formula Weight: 183.21 MDL Number: MFCD02178385 5GR 4-Hydroxycarbazole, 98+%

Alfa Aesar™ (1S,2R)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol hydrochloride ≥97%

Chemical Name or Material: (1S,2R)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol hydrochloride Formula Weight: 241.76 MDL Number: MFCD09749874 Synonym: β-Methyl-α-phenyl-1-pyrrolidineethanol hydrochloride; N-Pyrrolidinyl-d-norephedrine hydrochloride 1GR (1S,2R)-1-Phenyl-2-(1-pyrrolidinyl)-1-propanol hydrochloride 97+% 1g

Alfa Aesar™ (S)-1,4-Diazabicyclo[4.3.0]nonane, 98+%

Chemical Name or Material: (S)-1,4-Diazabicyclo[4.3.0]nonane CAS: 93643-24-4 Molecular Formula: C7H14N2 Formula Weight: 126.2 MDL Number: MFCD03787926 UN Number: UN3267 250MG (S)-1,4-Diazabicyclo[4.3.0]nonane, 98+% 250mg

Alfa Aesar™ 3-Bromo-4-methylpyridine, 98%

Chemical Name or Material: 3-Bromo-4-methylpyridine CAS: 3430-22-6 Molecular Formula: C6H6BrN Formula Weight: 172.03 MDL Number: MFCD00082592 Beilstein: 878354 Synonym: 3-Bromo-4-picoline 3-BROMO-4-METHYLPYRIDINE, 98%,5G

5-Amino-2-methyl-1,3-benzoxazole, 97%, ACROS Organics™

Chemical Name or Material: 5-Amino-2-methyl-1, 3-benzoxazole CAS: 72745-76-7 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C8H8N2O Formula Weight: 148.17 1GR 5-Amino-2-methyl-1,3-benzoxazole, 97%

Alfa Aesar™ N-(2-Chloro-4-pyridyl)thiourea, 98+%

Chemical Name or Material: N-(2-Chloro-4-pyridyl)thiourea Molecular Formula: C6H6ClN3S Formula Weight: 187.65 MDL Number: MFCD20721281 250MG N-(2-Chloro-4-pyridyl)thiourea, 98+% 250mg

Alfa Aesar™ 5-Chloro-2'-fluoro-2,4'-bipyridine, 95%

Chemical Name or Material: 5-Chloro-2'-fluoro-2,4'-bipyridine CAS: 942206-11-3 Molecular Formula: C10H6ClFN2 Formula Weight: 208.62 MDL Number: MFCD09037428 5-CHLORO-2'-FLUORO-2,4'-BIPYRIDINE, 95% 500MG

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