Heterocyclic Building Blocks

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4-Amino-2-dimethylamino-6-hydroxy-5-nitrosopyrimidine [for Determination of Co(III), Fe(II)]

Purity:

≥ 98% (Assay by titration)

Synonym:

6-Amino-2-dimethylamino-5-nitroso-4-pyrimidinol

Catalog Number:

43727

CAS Number:

70700-44-6

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00059767

Molecular Formula:

C₆H₉N₅O₂

Molecular Weight:

183.17

Specification Sheet SDS
2-Cyanopyrimidine

Hazmat

Purity:

≥ 98% (HPLC)

Synonym:

2-Pyrimidinecarbonitrile

Hazmat

Catalog Number:

43730

CAS Number:

14080-23-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00160513

Molecular Formula:

C₅H₃N₃

Molecular Weight:

105.1

Specification Sheet SDS
2-(5-Amino-2-methylanilino)-4-(3-pyridyl)pyrimidine

Purity:

≥ 98% (HPLC)

Synonym:

N-(5-Amino-o-tolyl)-4-(3-pyridyl)-2-pyrimidinamine

Catalog Number:

43731

CAS Number:

152460-10-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD09028125

Molecular Formula:

C₁₆H₁₅N₅

Molecular Weight:

277.33

Specification Sheet SDS
2-Amino-4,6-dimethylpyrimidine

Purity:

≥ 98% (HPLC)

Synonym:

Acetylacetoneguanidine

Catalog Number:

43721

CAS Number:

767-15-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00006102

Molecular Formula:

C₆H₉N₃

Molecular Weight:

123.16

Specification Sheet SDS
2,4-Dimethoxy-5-pyrimidylboronic acid (contains varying amounts of Anhydride)

Purity:

≥ 98% (HPLC)

Synonym:

(2,4-Dimethoxypyrimidin-5-yl)boronic acid (contains varying amounts of anhydride)

Catalog Number:

43713

CAS Number:

89641-18-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01318985

Molecular Formula:

C₆H₉BN₂O₄

Molecular Weight:

183.96

Specification Sheet SDS
4-Amino-6-hydroxy-2-methylpyrimidine hydrate

Purity:

≥ 98% (Assay by titration)

Synonym:

6-Amino-2-methyl-4-pyrimidinol hydrate

Catalog Number:

43724

CAS Number:

732304-23-3

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00150312

Molecular Formula:

C₅H₇N₃O·xH₂O

Molecular Weight:

125.13

Specification Sheet SDS
6-Amino-1-methyl-5-(propylamino)uracil

Purity:

≥ 98% (HPLC)

Catalog Number:

43726

CAS Number:

125092-42-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01074825

Molecular Formula:

C₈H₁₄N₄O₂

Molecular Weight:

198.23

Specification Sheet SDS
6-Propyl-2-thiouracil

Purity:

≥ 99% (Assay by titration)

Catalog Number:

43717

CAS Number:

51-52-5

Purity Limit:

≥ 99% (Assay by titration)

MDL NO:

MFCD00006041

Molecular Formula:

C₇H₁₀N₂OS

Molecular Weight:

170.23

Specification Sheet SDS
2,4-Dimethyl-6-hydroxypyrimidine

Purity:

≥ 98% (HPLC)

Synonym:

2,6-Dimethyl-4-pyrimidinol

Catalog Number:

43720

CAS Number:

6622-92-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00006105

Molecular Formula:

C₆H₈N₂O

Molecular Weight:

124.14

Specification Sheet SDS
6-Methyluracil

Purity:

≥ 99% (HPLC)

Catalog Number:

43722

CAS Number:

626-48-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00006028

Molecular Formula:

C₅H₆N₂O₂

Molecular Weight:

126.12

Specification Sheet SDS
4,6-Diamino-2-mercaptopyrimidine

Purity:

≥ 95% (Assay by titration)

Catalog Number:

43718

CAS Number:

1004-39-3

Purity Limit:

≥ 95% (Assay by titration)

MDL NO:

MFCD00006078

Molecular Formula:

C₄H₆N₄S

Molecular Weight:

142.18

Specification Sheet SDS
4,6-Diaminopyrimidine

Purity:

≥ 98% (GC)

Synonym:

4,6-Pyrimidinediamine

Catalog Number:

43715

CAS Number:

2434-56-2

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00044572

Molecular Formula:

C₄H₆N₄

Molecular Weight:

110.12

Specification Sheet SDS
4,6-Dimethyl-2-(methylsulfonyl)pyrimidine

Purity:

≥ 98% (GC)

Catalog Number:

43706

CAS Number:

35144-22-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD03788286

Molecular Formula:

C₇H₁₀N₂O₂S

Molecular Weight:

186.23

Specification Sheet SDS
2-Amino-4-methoxy-6-methylpyrimidine

Purity:

≥ 98% (GC)

Synonym:

2-Amino-4-methyl-6-methoxypyrimidine

Catalog Number:

43709

CAS Number:

7749-47-5

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00059768

Molecular Formula:

C₆H₉N₃O

Molecular Weight:

139.16

Specification Sheet SDS
4-Amino-2-methyl-5-pyrimidinemethanol

Purity:

≥ 98% (GC)

Synonym:

4-Amino-5-hydroxymethyl-2-methylpyrimidine

Catalog Number:

43719

CAS Number:

73-67-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00849239

Molecular Formula:

C₆H₉N₃O

Molecular Weight:

139.16

Specification Sheet SDS
2-Amino-5-nitropyrimidine

Purity:

≥ 98% (GC)

Catalog Number:

43710

CAS Number:

3073-77-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00006103

Molecular Formula:

C₄H₄N₄O₂

Molecular Weight:

140.1

Specification Sheet SDS
6-Amino-2,4-dimethoxypyrimidine

Purity:

≥ 98% (GC)

Synonym:

4-Amino-2,6-dimethoxypyrimidine

Catalog Number:

43708

CAS Number:

3289-50-7

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00082802

Molecular Formula:

C₆H₉N₃O₂

Molecular Weight:

155.16

Specification Sheet SDS
6-Amino-1,3-dimethyluracil

Purity:

≥ 99.5% (Assay)

Catalog Number:

43716

CAS Number:

6642-31-5

Purity Limit:

≥ 99.5% (Assay)

MDL NO:

MFCD00006552

Molecular Formula:

C₆H₉N₃O₂

Molecular Weight:

155.16

Specification Sheet SDS
4,6-Dihydroxy-5-nitropyrimidine

Purity:

≥ 98% (Assay by titration)

Synonym:

5-Nitro-4,6-pyrimidinediol

Catalog Number:

43698

CAS Number:

2164-83-2

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00006110

Molecular Formula:

C₄H₃N₃O₄

Molecular Weight:

157.09

Specification Sheet SDS
6-Methyl-5-propyl-4(1H)-pyrimidinone

Purity:

≥ 98% (Assay by titration)

Catalog Number:

43714

CAS Number:

103980-68-3

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD01689111

Molecular Formula:

C₈H₁₂N₂O

Molecular Weight:

152.2

Specification Sheet SDS
2,4-Dimethoxypyrimidine

Purity:

≥ 98% (GC)

Catalog Number:

43712

CAS Number:

3551-55-1

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00056028

Molecular Formula:

C₆H₈N₂O₂

Molecular Weight:

140.14

Specification Sheet SDS
4-Amino-6-hydroxypyrimidine

Purity:

≥ 98% (Assay by titration)

Synonym:

6-Amino-4-pyrimidinol

Catalog Number:

43711

CAS Number:

1193-22-2

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00051502

Molecular Formula:

C₄H₅N₃O

Molecular Weight:

111.1

Specification Sheet SDS
4-Methylpyrimidine

Hazmat

Purity:

≥ 96% (Assay by titration)

Hazmat

Catalog Number:

43707

CAS Number:

3438-46-8

Purity Limit:

≥ 96% (Assay by titration)

MDL NO:

MFCD00006115

Molecular Formula:

C₅H₆N₂

Molecular Weight:

94.12

Specification Sheet SDS
2,4-Dihydroxy-5-methoxypyrimidine

Purity:

≥ 98% (GC)

Synonym:

5-Methoxy-2,4-pyrimidinediol

Catalog Number:

43702

CAS Number:

6623-81-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00187903

Molecular Formula:

C₅H₆N₂O₃

Molecular Weight:

142.11

Specification Sheet SDS
5,6-Diamino-2,4-dihydroxypyrimidine sulfate dihydrate

Purity:

≥ 98% (Assay by titration)

Synonym:

5,6-Diamino-4-hydroxy-2(1H-pyrimidinone sulfate dihydrate

Catalog Number:

43705

CAS Number:

63981-35-1

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00135845

Molecular Formula:

C₈H₁₂N₈O₄·H₂SO₄·2H₂O

Molecular Weight:

418.34

Specification Sheet SDS
5,6-Diamino-1,3-diethyluracil hydrochloride

Purity:

≥ 98% (HPLC)

Catalog Number:

43699

CAS Number:

1785764-26-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD22573561

Molecular Formula:

C₈H₁₄N₄O₂·HCl

Molecular Weight:

234.68

Specification Sheet SDS
4-Aminopyrimidine

Purity:

≥ 98% (GC)

Catalog Number:

43683

CAS Number:

591-54-8

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00006112

Molecular Formula:

C₄H₅N₃

Molecular Weight:

95.11

Specification Sheet SDS
5,6-Diamino-1,3-dipropyluracil hydrochloride

Purity:

≥ 98% (HPLC)

Catalog Number:

43700

CAS Number:

324002-49-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD06797515

Molecular Formula:

C₁₀H₁₈N₄O₂·HCl

Molecular Weight:

262.74

Specification Sheet SDS
6-Methyl-2-thiouracil

Purity:

≥ 98% (Assay by titration)

Synonym:

Methiocil

Catalog Number:

43701

CAS Number:

56-04-2

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00006040

Molecular Formula:

C₅H₆N₂OS

Molecular Weight:

142.18

Specification Sheet SDS
6-(4-Aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone

Purity:

≥ 98% (GC)

Catalog Number:

43670

CAS Number:

36725-28-7

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD01692712

Molecular Formula:

C₁₁H₁₃N₃O

Molecular Weight:

203.25

Specification Sheet SDS
4,5,6-Triaminopyrimidine sulfate hydrate

Purity:

≥ 98% (HPLC)

Catalog Number:

43696

CAS Number:

6640-23-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00012789

Molecular Formula:

C₄H₇N₅·H₂SO₄·xH₂O

Molecular Weight:

223.21

Specification Sheet SDS
2-(p-Tolyl)pyrimidine

Purity:

≥ 98% (GC)

Catalog Number:

43694

CAS Number:

77232-13-4

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD08701658

Molecular Formula:

C₁₁H₁₀N₂

Molecular Weight:

170.22

Specification Sheet SDS
4-Hydroxy-6-methylpyrimidine

Purity:

≥ 97% (Assay by titration)

Synonym:

6-Methylpyrimidin-4-ol

Catalog Number:

43689

CAS Number:

3524-87-6

Purity Limit:

≥ 97% (Assay by titration)

MDL NO:

MFCD00053575

Molecular Formula:

C₅H₆N₂O

Molecular Weight:

110.12

Specification Sheet SDS
4-Phenylpyrimidine

Purity:

≥ 96% (GC)

Catalog Number:

43682

CAS Number:

3438-48-0

Purity Limit:

≥ 96% (GC)

MDL NO:

MFCD00006111

Molecular Formula:

C₁₀H₈N₂

Molecular Weight:

156.19

Specification Sheet SDS
6-Hydroxy-4-pyrimidinecarboxylic acid

Purity:

≥ 98% (HPLC)

Synonym:

1,6-Dihydro-6-oxo-4-pyrimidinecarboxylic acid

Catalog Number:

43688

CAS Number:

6299-87-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00023267

Molecular Formula:

C₅H₄N₂O₃

Molecular Weight:

140.1

Specification Sheet SDS
2,4,5,6-Tetraaminopyrimidine sulfate

Purity:

≥ 98% (Assay by titration)

Catalog Number:

43703

CAS Number:

5392-28-9

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00012786

Molecular Formula:

C₄H₈N₆·H₂SO₄

Molecular Weight:

238.22

Specification Sheet SDS
4,6-Dihydroxy-2-methylpyrimidine

Purity:

≥ 96% (Assay by titration)

Synonym:

2-Methyl-4,6-pyrimidinediol

Catalog Number:

43693

CAS Number:

40497-30-1

Purity Limit:

≥ 96% (Assay by titration)

MDL NO:

MFCD00006104

Molecular Formula:

C₅H₆N₂O₂

Molecular Weight:

126.12

Specification Sheet SDS
5-Aminoorotic acid

Purity:

≥ 97% (Assay by titration)

Synonym:

5-Aminouracil-6-carboxylic acid

Catalog Number:

43692

CAS Number:

7164-43-4

Purity Limit:

≥ 97% (Assay by titration)

MDL NO:

MFCD00010563

Molecular Formula:

C₅H₅N₃O₄

Molecular Weight:

171.11

Specification Sheet SDS
5,6-Dimethyluracil

Purity:

≥ 99% (HPLC)

Synonym:

2,4-Dihydroxy-5,6-dimethylpyrimidine

Catalog Number:

43695

CAS Number:

26305-13-5

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00010708

Molecular Formula:

C₆H₈N₂O₂

Molecular Weight:

140.14

Specification Sheet SDS
2-Aminopyrimidine

Purity:

≥ 98% (GC)

Catalog Number:

43690

CAS Number:

109-12-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00006089

Molecular Formula:

C₄H₅N₃

Molecular Weight:

95.11

Specification Sheet SDS
1-Methylpyrazole

Hazmat

Purity:

≥ 98% (GC)

Hazmat

Catalog Number:

43654

CAS Number:

930-36-9

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00144943

Molecular Formula:

C₄H₆N₂

Molecular Weight:

82.11

Specification Sheet SDS
4-Amino-2,6-dihydroxy-5-nitrosopyrimidine

Purity:

≥ 93% (HPLC)

Synonym:

4-Amino-5-nitro-2,6-pyrimidinediol

Catalog Number:

43687

CAS Number:

5442-24-0

Purity Limit:

≥ 93% (HPLC)

MDL NO:

MFCD00012340

Molecular Formula:

C₄H₄N₄O₃

Molecular Weight:

156.1

Specification Sheet SDS
2-Amino-4-methylpyrimidine

Purity:

≥ 97% (Assay by titration)

Catalog Number:

43691

CAS Number:

108-52-1

Purity Limit:

≥ 97% (Assay by titration)

MDL NO:

MFCD00006101

Molecular Formula:

C₅H₇N₃

Molecular Weight:

109.13

Specification Sheet SDS
Phthalazine

Purity:

≥ 98% (GC)

Synonym:

2,3-Benzodiazine

Catalog Number:

43673

CAS Number:

253-52-1

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00006908

Molecular Formula:

C₈H₆N₂

Molecular Weight:

130.15

Specification Sheet SDS
3,5-Dimethyl-4-nitropyrazole

Purity:

≥ 98% (GC)

Catalog Number:

43650

CAS Number:

14531-55-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00052513

Molecular Formula:

C₅H₇N₃O₂

Molecular Weight:

141.13

Specification Sheet SDS
Orotic acid monohydrate

Purity:

≥ 99% (Assay)

Synonym:

6-Carboxyuracil monohydrate

Catalog Number:

43678

CAS Number:

50887-69-9

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00006027

Molecular Formula:

C₅H₄N₂O₄·H₂O

Molecular Weight:

174.12

Specification Sheet SDS
Phenyl (4,6-Dimethoxy-2-pyrimidinyl)carbamate

Hazmat

Purity:

≥ 98% (GC)

Synonym:

(4,6-Dimethoxy-2-pyrimidinyl)carbamic acid phenyl ester

Hazmat

Catalog Number:

43686

CAS Number:

89392-03-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD02947731

Molecular Formula:

C₁₃H₁₃N₃O₄

Molecular Weight:

275.26

Specification Sheet SDS
6-Methyl-3(2H)-pyridazinone

Purity:

≥ 98% (GC)

Synonym:

3-Hydroxy-6-methylpyridazine

Catalog Number:

43669

CAS Number:

13327-27-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00039720

Molecular Formula:

C₅H₆N₂O

Molecular Weight:

110.12

Specification Sheet SDS
2-Hydroxy-4-methylpyrimidine hydrochloride

Purity:

≥ 98% (Assay by titration)

Catalog Number:

43684

CAS Number:

5348-51-6

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00151347

Molecular Formula:

C₅H₆N₂O·HCl

Molecular Weight:

146.57

Specification Sheet SDS
2,4-Diamino-6-hydroxypyrimidine

Purity:

≥ 98% (HPLC)

Synonym:

2,4-Diamino-6-pyrimidinol

Catalog Number:

43679

CAS Number:

56-06-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00006098

Molecular Formula:

C₄H₆N₄O

Molecular Weight:

126.12

Specification Sheet SDS

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