Heterocyclic Building Blocks

1-Methyl-2-pyrrolidinone, distilled

Hazmat

Purity:

≥ 99.9% (GC)

Synonym:

N-Methyl-2-ketopyrrolidine

Hazmat

Catalog Number:

00741

CAS Number:

872-50-4

Purity Limit:

≥ 99.9% (GC)

MDL NO:

MFCD00003193

Molecular Formula:

C₅H₉NO

Molecular Weight:

99.13

Specification Sheet SDS
5-(Ethylthio)-1H-tetrazole

Hazmat

Purity:

≥ 99% (Assay by titration)

Synonym:

5-Ethylsulfanyl-1H-tetrazole

Hazmat

Catalog Number:

01881

CAS Number:

89797-68-2

Purity Limit:

≥ 99% (Assay by titration)

MDL NO:

MFCD00068733

Molecular Formula:

C₃H₆N₄S

Molecular Weight:

130.18

Specification Sheet SDS
Imidazole

Hazmat

Purity:

≥ 99% (Assay)

Synonym:

1,3-Diaza-2,4-cyclopentadiene

Hazmat

Catalog Number:

00418

CAS Number:

288-32-4

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00005183

Molecular Formula:

C₃H₄N₂

Molecular Weight:

68.08

Specification Sheet SDS
Pyrrolidine

Hazmat

Purity:

≥ 99% (GC)

Synonym:

Tetramethyleneimine

Hazmat

Catalog Number:

43864

CAS Number:

123-75-1

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005249

Molecular Formula:

C₄H₉N

Molecular Weight:

71.12

Specification Sheet SDS
1-Methyl-2-pyrrolidinone, distilled

Hazmat

Grade:

ACS reagent

Purity:

≥ 99% (GC)

Synonym:

N-Methyl-2-ketopyrrolidine

Hazmat

Catalog Number:

30063

Grade:

ACS reagent

CAS Number:

872-50-4

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00003193

Molecular Formula:

C₅H₉NO

Molecular Weight:

99.13

Specification Sheet SDS
Tetrahydrofuran, anhydrous , stabilized with 250-300 ppm BHT

Hazmat

Purity:

≥ 99.9% (GC)

Synonym:

THF

Hazmat

Catalog Number:

00761

CAS Number:

109-99-9

Purity Limit:

≥ 99.9% (GC)

MDL NO:

MFCD00005356

Molecular Formula:

C₄H₈O

Molecular Weight:

72.11

Specification Sheet SDS
N-Methylmorpholine

Hazmat

Purity:

≥ 99% (Assay)

Synonym:

4-Methylmorpholine

Hazmat

Catalog Number:

02333

CAS Number:

109-02-4

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00006175

Molecular Formula:

C₅H₁₁NO

Molecular Weight:

101.15

Specification Sheet SDS
Piperazine,anhydrous

Hazmat

Purity:

≥ 99% (GC)

Synonym:

1,4-Diazacyclohexane

Hazmat

Catalog Number:

06899

CAS Number:

110-85-0

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005953

Molecular Formula:

C₄H₁₀N₂

Molecular Weight:

86.14

Specification Sheet SDS
4-Methylpiperidine

Hazmat

Purity:

≥ 99% (GC)

Synonym:

4-Pipecoline

Hazmat

Catalog Number:

43450

CAS Number:

626-58-4

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00006005

Molecular Formula:

C₆H₁₃N

Molecular Weight:

99.18

Specification Sheet SDS
Tryptamine

Purity:

≥ 99% (HPLC)

Synonym:

1H-Indole-3-ethanamine

Catalog Number:

21918

CAS Number:

61-54-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00005661

Molecular Formula:

C₁₀H₁₂N₂

Molecular Weight:

160.22

Specification Sheet SDS
2,3,5-Triphenyl-2H-tetrazolium chloride

Hazmat

Purity:

≥ 99% (Assay)

Synonym:

Tetrazolium red

Hazmat

Catalog Number:

01646

CAS Number:

298-96-4

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00011963

Molecular Formula:

C₁₉H₁₅N₄Cl

Molecular Weight:

334.81

Specification Sheet SDS
2,3,3-Trimethyl-4,5-benzo-3H-indole

Purity:

≥ 99% (HPLC)

Synonym:

1,1,2-Trimethyl-1H-benzo[e]indole

Catalog Number:

22010

CAS Number:

41532-84-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00082627

Molecular Formula:

C₁₅H₁₅N

Molecular Weight:

209.29

Specification Sheet SDS
1-Methylimidazole

Hazmat

Purity:

≥ 99% (GC)

Synonym:

N-Methylimidazole

Hazmat

Catalog Number:

00526

CAS Number:

616-47-7

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005292

Molecular Formula:

C₄H₆N₂

Molecular Weight:

82.11

Specification Sheet SDS
5-Methoxytryptamine

Purity:

≥ 98% (HPLC)

Synonym:

3-(2-Aminoethyl)-5-methoxyindole

Catalog Number:

11759

CAS Number:

608-07-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00005662

Molecular Formula:

C₁₁H₁₄N₂O

Molecular Weight:

190.24

Specification Sheet SDS
N-Acetyl-5-methoxytryptamine

Grade:

Meets USP Specification

Purity:

≥ 99% (HPLC)

Synonym:

Melatonin

Catalog Number:

09492

Grade:

Meets USP Specification

CAS Number:

73-31-4

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00005655

Molecular Formula:

C₁₃H₁₆N₂O₂

Molecular Weight:

232.28

Specification Sheet SDS
Hexamethylenetetramine

Hazmat

Purity:

99 - 100%

Synonym:

Hexamine

Hazmat

Catalog Number:

01234

CAS Number:

100-97-0

Purity Limit:

99 - 100%

MDL NO:

MFCD00006895

Molecular Formula:

C₆H₁₂N₄

Molecular Weight:

140.2

Specification Sheet SDS
Indole-3-acetic acid

Purity:

≥ 98.5% (HPLC)

Synonym:

IAA

Catalog Number:

00188

CAS Number:

87-51-4

Purity Limit:

≥ 98.5% (HPLC)

MDL NO:

MFCD00005636

Molecular Formula:

C₁₀H₉NO₂

Molecular Weight:

175.19

Specification Sheet SDS
Uracil

Purity:

≥ 99% (HPLC)

Synonym:

2,4(1H,3H)-Pyrimidinedione

Catalog Number:

31792

CAS Number:

66-22-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00068245

Molecular Formula:

C₄H₄N₂O₂

Molecular Weight:

112.09

Specification Sheet SDS
1,2-Benzisothiazol-3(2H)-one

Hazmat

Purity:

≥ 99% (HPLC)

Synonym:

1,2-Benzisothiazol-3-one

Hazmat

Catalog Number:

31729

CAS Number:

2634-33-5

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00044001

Molecular Formula:

C₇H₅NOS

Molecular Weight:

151.19

Specification Sheet SDS
Creatinine

Grade:

Meets USP specification

Purity:

98.5 - 102.0% (Assay by titration)

Synonym:

1-Methylglycocyamidine

Catalog Number:

21878

Grade:

Meets USP specification

CAS Number:

60-27-5

Purity Limit:

98.5 - 102.0% (Assay by titration)

MDL NO:

MFCD00059730

Molecular Formula:

C₄H₇N₃O

Molecular Weight:

113.12

Specification Sheet SDS
4-Iodonitrotetrazolium violet

Purity:

≥ 99% (HPLC)

Synonym:

2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium chloride

Catalog Number:

00193

CAS Number:

146-68-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00011961

Molecular Formula:

C₁₉H₁₃ClIN₅O₂

Molecular Weight:

505.7

Specification Sheet SDS
Nitrofurazone

Purity:

≥ 98% (HPLC)

Synonym:

5-Nitrofurfural semicarbazone

Catalog Number:

38420

CAS Number:

59-87-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00003225

Molecular Formula:

C₆H₆N₄O₄

Molecular Weight:

198.14

Specification Sheet SDS
5,5-Dimethyl-1-pyrroline N-oxide

Purity:

≥ 97% (NMR)

Synonym:

5,5-Dimethyl-1-pyrroline-1-oxide

Catalog Number:

37375

CAS Number:

3317-61-1

Purity Limit:

≥ 97% (NMR)

MDL NO:

MFCD00005279

Molecular Formula:

C₆H₁₁NO

Molecular Weight:

113.16

Specification Sheet SDS
Morpholine

Hazmat

Purity:

≥ 99% (GC)

Hazmat

Catalog Number:

14091

CAS Number:

110-91-8

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005972

Molecular Formula:

C₄H₉NO

Molecular Weight:

87.12

Specification Sheet SDS
2-Chloro-1-methylpyridinium iodide

Purity:

≥ 98% (HPLC)

Synonym:

Mukaiyama's reagent

Catalog Number:

04881

CAS Number:

14338-32-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00011984

Molecular Formula:

C₆H₇NClI

Molecular Weight:

255.49

Specification Sheet SDS
Imidazole

Hazmat

Grade:

ACS reagent

Purity:

≥ 99% (GC)

Synonym:

1,3-Diaza-2,4-cyclopentadiene

Hazmat

Catalog Number:

01546

Grade:

ACS reagent

CAS Number:

288-32-4

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005183

Molecular Formula:

C₃H₄N₂

Molecular Weight:

68.08

Specification Sheet SDS
N⁶-Benzyladenine

Purity:

≥ 98% (HPLC)

Synonym:

6-Benzylaminopurine

Catalog Number:

00031

CAS Number:

1214-39-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00005572

Molecular Formula:

C₁₂H₁₁N₅

Molecular Weight:

225.26

Specification Sheet SDS
Antipyrine

Purity:

≥ 99% (Assay)

Synonym:

2,3-Dimethyl-1-phenyl-5-pyrazolone

Catalog Number:

37783

CAS Number:

60-80-0

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00003146

Molecular Formula:

C₁₁H₁₂N₂O

Molecular Weight:

188.23

Specification Sheet SDS
Albendazole

Purity:

98.5 - 102.0% (Assay by titration)

Synonym:

Methyl 5-(propylthio)-2-benzimidazolecarbamate

Catalog Number:

35327

CAS Number:

54965-21-8

Purity Limit:

98.5 - 102.0% (Assay by titration)

MDL NO:

MFCD00083232

Molecular Formula:

C₁₂H₁₅N₃O₂S

Molecular Weight:

265.33

Specification Sheet SDS
Furfuryl alcohol

Hazmat

Grade:

meets FG specifications, KOSHER, FEMA 2491

Purity:

98 - 100% (GC)

Synonym:

Furan-2-methanol

Hazmat

Catalog Number:

34254

Grade:

meets FG specifications, KOSHER, FEMA 2491

CAS Number:

98-00-0

Purity Limit:

98 - 100% (GC)

MDL NO:

MFCD00003252

Molecular Formula:

C₅H₆O₂

Molecular Weight:

98.1

Specification Sheet SDS
Indole-2-carboxylic acid

Purity:

≥ 98% (HPLC)

Synonym:

1H-Indole-2-carboxylic acid

Catalog Number:

21846

CAS Number:

1477-50-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00005611

Molecular Formula:

C₉H₇NO₂

Molecular Weight:

161.16

Specification Sheet SDS
5-(Methylthio)-1H-tetrazole

Purity:

≥ 99% (HPLC)

Catalog Number:

01399

CAS Number:

29515-99-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00068726

Molecular Formula:

C₂H₄N₄S

Molecular Weight:

116.15

Specification Sheet SDS
8-Hydroxyquinoline

Grade:

ACS reagent

Purity:

≥ 99% (Assay by titration)

Synonym:

8-Quinolinol

Catalog Number:

00372

Grade:

ACS reagent

CAS Number:

148-24-3

Purity Limit:

≥ 99% (Assay by titration)

MDL NO:

MFCD00006807

Molecular Formula:

C₉H₇NO

Molecular Weight:

145.16

Specification Sheet SDS
2-Iodopyrazine

Purity:

≥ 97% (GC)

Synonym:

Iodopyrazine

Catalog Number:

44596

CAS Number:

32111-21-0

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD01319019

Molecular Formula:

C₄H₃IN₂

Molecular Weight:

205.99

Specification Sheet SDS
2-Methyl-2-imidazoline

Purity:

≥ 97% (NMR)

Catalog Number:

42979

CAS Number:

534-26-9

Purity Limit:

≥ 97% (NMR)

MDL NO:

MFCD00051490

Molecular Formula:

C₄H₈N₂

Molecular Weight:

84.12

Specification Sheet SDS
3-Phenylumbelliferone

Purity:

≥ 99% (HPLC)

Synonym:

7-Hydroxy-3-phenylcoumarin

Catalog Number:

42781

CAS Number:

6468-96-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00037574

Molecular Formula:

C₁₅H₁₀O₃

Molecular Weight:

238.24

Specification Sheet SDS
Fenbendazole

Grade:

meets BP specification

Purity:

98.0 - 101.0% (Assay by titration)

Synonym:

Methyl [5-(phenylthio)benzimidazol-2-yl]carbamate

Catalog Number:

42598

Grade:

meets BP specification

CAS Number:

43210-67-9

Purity Limit:

98.0 - 101.0% (Assay by titration)

MDL NO:

MFCD00144301

Molecular Formula:

C₁₅H₁₃N₃O₂S

Molecular Weight:

299.35

Specification Sheet SDS
3-Hydroxy-5-methylisoxazole

Purity:

≥ 98% (HPLC)

Synonym:

Hymexazol

Catalog Number:

38423

CAS Number:

10004-44-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00144468

Molecular Formula:

C₄H₅NO₂

Molecular Weight:

99.09

Specification Sheet SDS
DL-N-Acetylhomocysteine thiolactone

Hazmat

Purity:

≥ 99% (HPLC)

Synonym:

2-Acetamido-4-mercaptobutyric acid γ-thiolactone

Hazmat

Catalog Number:

37216

CAS Number:

1195-16-0

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00005480

Molecular Formula:

C₆H₉NO₂S

Molecular Weight:

159.2

Specification Sheet SDS
2,5-Dimethyl-4-hydroxy-3(2H)-furanone

Hazmat

Grade:

meets FG specifications, KOSHER, FEMA 3174

Purity:

98 - 100% (GC)

Synonym:

Furaneol

Hazmat

Catalog Number:

34249

Grade:

meets FG specifications, KOSHER, FEMA 3174

CAS Number:

3658-77-3

Purity Limit:

98 - 100% (GC)

MDL NO:

MFCD00010706

Molecular Formula:

C₆H₈O₃

Molecular Weight:

128.13

Specification Sheet SDS
2,5-Dimethylpyrazine

Hazmat

Grade:

FG, KOSHER, FEMA 3272

Purity:

99 - 100% (GC)

Hazmat

Catalog Number:

34120

Grade:

FG, KOSHER, FEMA 3272

CAS Number:

123-32-0

Purity Limit:

99 - 100% (GC)

MDL NO:

MFCD00006147

Molecular Formula:

C6H8N2

Molecular Weight:

108.14

Specification Sheet SDS
2-Acetylpyrazine

Grade:

FG, Kosher, FEMA 3126

Purity:

≥ 99% (GC)

Synonym:

Acetylpyrazine

Catalog Number:

33758

Grade:

FG, Kosher, FEMA 3126

CAS Number:

22047-25-2

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00006134

Molecular Formula:

C₆H₆N₂O

Molecular Weight:

122.12

Specification Sheet SDS
1H-Indazole-3-carboxylic acid

Purity:

≥ 99% (HPLC)

Synonym:

Indazole-3-carboxylic acid

Catalog Number:

28202

CAS Number:

4498-67-3

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00211066

Molecular Formula:

C₈H₆N₂O₂

Molecular Weight:

162.15

Specification Sheet SDS
2-Ethyl-4-methyl-1H-imidazole-1-propanenitrile

Purity:

≥ 95% (GC)

Synonym:

1-(2-Cyanoethyl)-2-ethyl-4-methylimidazole

Catalog Number:

27687

CAS Number:

23996-25-0

Purity Limit:

≥ 95% (GC)

MDL NO:

MFCD00051492

Molecular Formula:

C₉H₁₃N₃

Molecular Weight:

163.22

Specification Sheet SDS
N-Ethyl-2-pyrrolidinone

Purity:

≥ 99.5% (GC)

Synonym:

1-Ethyl-2-pyrrolidone

Catalog Number:

26864

CAS Number:

2687-91-4

Purity Limit:

≥ 99.5% (GC)

MDL NO:

MFCD00003199

Molecular Formula:

C₆H₁₁NO

Molecular Weight:

113.16

Specification Sheet SDS
1-Methyl-4-(methylamino)piperidine

Hazmat

Purity:

≥ 99% (GC)

Hazmat

Catalog Number:

26717

CAS Number:

73579-08-5

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00006498

Molecular Formula:

C7H16N2

Molecular Weight:

128.22

Specification Sheet SDS
4-Bromo-7-azaindole

Hazmat

Purity:

≥ 97%

Synonym:

4-Bromo-1H-pyrrolo[2,3-b]pyridine

Hazmat

Catalog Number:

24732

CAS Number:

348640-06-2

Purity Limit:

≥ 97%

MDL NO:

MFCD08272233

Molecular Formula:

C₇H₅BrN₂

Molecular Weight:

197.04

Specification Sheet SDS
2,2,6,6-Tetramethylpiperidine

Hazmat

Purity:

≥ 99% (GC)

Synonym:

Norpempidine

Hazmat

Catalog Number:

24504

CAS Number:

768-66-1

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005985

Molecular Formula:

C₉H₁₉N

Molecular Weight:

141.26

Specification Sheet SDS
Methyl indole-4-carboxylate

Purity:

≥ 98% (HPLC)

Synonym:

1H-Indole-4-carboxylic acid methyl ester

Catalog Number:

21954

CAS Number:

39830-66-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00191222

Molecular Formula:

C₁₀H₉NO₂

Molecular Weight:

175.19

Specification Sheet SDS
2,3,3-Trimethylindolenine

Purity:

≥ 99% (GC)

Synonym:

2,3,3-Trimethyl-3H-indole

Catalog Number:

22011

CAS Number:

1640-39-7

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005724

Molecular Formula:

C₁₁H₁₃N

Molecular Weight:

159.23

Specification Sheet SDS

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