Caffeine and Impurities

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products per page. 46 products on this category.

Product data	Purity	Price range	Estimated delivery
Caffeine-d9 (Pentoxifylline EP Impurity F-d9, Theophylline EP Impurity A-d9, Theophylline-Ethylenediamine EP Impurity A-d9) REF: 4Z-C-183CAS: 72238-85-8	- - -	To inquire	Thu 02 Jan 25
Caffeine-d3 (Pentoxifylline EP Impurity F-d3, Theophylline EP Impurity A-d3, Theophylline-Ethylenediamine EP Impurity A-d3) REF: 4Z-C-182CAS: 26351-04-2	- - -	To inquire	Thu 02 Jan 25
Caffeine-13C3 (Pentoxifylline EP Impurity F-13C3, Theophylline EP Impurity A-13C3, Theophylline-Ethylenediamine EP Impurity A-13C3) REF: 4Z-C-1810CAS: 78072-66-9	- - -	To inquire	Thu 02 Jan 25
Caffeine Impurity 3 REF: 4Z-C-1812CAS: 19893-78-8	- - -	To inquire	Thu 02 Jan 25
Caffeine Impurity 1 Ammonium Salt REF: 4Z-C-1818CAS: 54536-15-1	- - -	To inquire	Thu 02 Jan 25
Caffeine Impurity 8 REF: 4Z-C-1817CAS: 33130-55-1	- - -	To inquire	Thu 02 Jan 25
1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione (Paraxanthine; 1,7-Dimethylxanthine) REF: 86-MM0494.04CAS: 611-59-6	- - -	2,456.00 €	Fri 03 Jan 25
N,1-Dimethyl-4-(methylamino)-1H-imidazole-5-carboxamide Nitrate (Caffeidine Nitrate) REF: 86-MM0494.06CAS: 209725-34-8	- - -	990.00 €~1,633.00 €	Fri 03 Jan 25
Sodium 4-[N-Methyl-N-(N-methylaminocarbonyl)amino]-1-methylimidazole-5-carboxylate REF: 86-MM0494.10CAS: 54536-15-1	- - -	1,859.00 €	Fri 03 Jan 25
N-Nitroso Caffeine EP Impurity F REF: 4Z-C-1819	- - -	To inquire	Tue 07 Jan 25
Caffeine Impurity 5 REF: 4Z-C-1814CAS: 10184-35-7	- - -	To inquire	Tue 07 Jan 25
Caffeine-13C (Pentoxifylline EP Impurity F-13C, Theophylline EP Impurity A-13C, Theophylline-Ethylenediamine EP Impurity A-13C) REF: 4Z-C-189CAS: 202282-98-2	- - -	To inquire	Tue 07 Jan 25
Caffeine Impurity 3-13C-d3 REF: 4Z-C-1822	- - -	To inquire	Tue 07 Jan 25
Caffeine Impurity 6-13C2 REF: 4Z-C-1825CAS: 1839-15-2 79-11-8	- - -	To inquire	Tue 07 Jan 25
Caffeine Impurity 10 REF: 4Z-C-1821CAS: 1597448-45-7	- - -	To inquire	Tue 07 Jan 25
Caffeine Impurity 9 REF: 4Z-C-1820	- - -	To inquire	Tue 07 Jan 25
m-Hydroxyhippuric Acid-13C2, 15N REF: TR-H943127CAS: 1637-75-8	- - -	335.00 €~2,141.00 €	Fri 10 Jan 25
1,3,7-Trimethyluric Acid-d3 REF: TR-T798000CAS: 188297-95-2	- - -	240.00 €~1,568.00 €	Fri 10 Jan 25
5-Acetylamino-6-formylamino-3-methyluracil REF: TR-A168210CAS: 85438-96-6	- - -	310.00 €~1,240.00 €	Fri 10 Jan 25
Caffeine-d9 REF: TR-C080102CAS: 72238-85-8	- - -	324.00 €~2,120.00 €	Fri 10 Jan 25

Caffeine-d9 (Pentoxifylline EP Impurity F-d9, Theophylline EP Impurity A-d9, Theophylline-Ethylene…

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Caffeine-d9 (Pentoxifylline EP Impurity F-d9, Theophylline EP Impurity A-d9, Theophylline-Ethylenediamine EP Impurity A-d9)

CAS:72238-85-8

Formula:

C₈HD₉N₄O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

203.25

Ref: 4Z-C-183

10mg		To inquire
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Estimated delivery in United States, on Thursday 2 Jan 2025

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Caffeine-d3 (Pentoxifylline EP Impurity F-d3, Theophylline EP Impurity A-d3, Theophylline-Ethylene…

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Caffeine-d3 (Pentoxifylline EP Impurity F-d3, Theophylline EP Impurity A-d3, Theophylline-Ethylenediamine EP Impurity A-d3)

CAS:26351-04-2

Formula:

C₈H₇D₃N₄O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

197.21

Ref: 4Z-C-182

10mg		To inquire
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Estimated delivery in United States, on Thursday 2 Jan 2025

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Caffeine-13C3 (Pentoxifylline EP Impurity F-13C3, Theophylline EP Impurity A-13C3, Theophylline-Et…

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Caffeine-13C3 (Pentoxifylline EP Impurity F-13C3, Theophylline EP Impurity A-13C3, Theophylline-Ethylenediamine EP Impurity A-13C3)

CAS:78072-66-9

Formula:

C₅₁₃C₃H₁₀N₄O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

197.16

Ref: 4Z-C-1810

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Estimated delivery in United States, on Thursday 2 Jan 2025

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Caffeine Impurity 3

CAS:19893-78-8

Formula:

C₇H₁₀N₄O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

198.18

Ref: 4Z-C-1812

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Estimated delivery in United States, on Thursday 2 Jan 2025

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Caffeine Impurity 1 Ammonium Salt

CAS:54536-15-1

Formula:

C₈H₁₁N₄O₃·NH₄

Color and Shape:

White To Off-White Solid

Molecular weight:

211.20 18.04

Ref: 4Z-C-1818

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Estimated delivery in United States, on Thursday 2 Jan 2025

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Caffeine Impurity 8

CAS:33130-55-1

Formula:

C₈H₁₂N₄O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

212.21

Ref: 4Z-C-1817

10mg		To inquire
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100mg		To inquire

Estimated delivery in United States, on Thursday 2 Jan 2025

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1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione (Paraxanthine; 1,7-Dimethylxanthine)

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1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione (Paraxanthine; 1,7-Dimethylxanthine)

Controlled Product

CAS:611-59-6

Formula:

C₇H₈N₄O₂

Color and Shape:

White To Light Yellow

Molecular weight:

180.16

Ref: 86-MM0494.04

50mg 2,456.00 €

Estimated delivery in United States, on Friday 3 Jan 2025

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N,1-Dimethyl-4-(methylamino)-1H-imidazole-5-carboxamide Nitrate (Caffeidine Nitrate)

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N,1-Dimethyl-4-(methylamino)-1H-imidazole-5-carboxamide Nitrate (Caffeidine Nitrate)

CAS:209725-34-8

Formula:

C₇H₁₂N₄O·HNO₃

Color and Shape:

Neat

Molecular weight:

231.21

Ref: 86-MM0494.06

25mg		990.00 €
100mg		1,633.00 €

Estimated delivery in United States, on Friday 3 Jan 2025

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Sodium 4-[N-Methyl-N-(N-methylaminocarbonyl)amino]-1-methylimidazole-5-carboxylate

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Sodium 4-[N-Methyl-N-(N-methylaminocarbonyl)amino]-1-methylimidazole-5-carboxylate

Controlled Product

CAS:54536-15-1

Formula:

C₈H₁₁N₄O₃·Na

Color and Shape:

Neat

Molecular weight:

234.19

Ref: 86-MM0494.10

50mg 1,859.00 €

Estimated delivery in United States, on Friday 3 Jan 2025

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N-Nitroso Caffeine EP Impurity F

Formula:

C₇H₇N₅O₃

Molecular weight:

209.17

Ref: 4Z-C-1819

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Estimated delivery in United States, on Tuesday 7 Jan 2025

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Caffeine Impurity 5

CAS:10184-35-7

Formula:

C₉H₁₀N₄O₅

Molecular weight:

254.20

Ref: 4Z-C-1814

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Estimated delivery in United States, on Tuesday 7 Jan 2025

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Caffeine-13C (Pentoxifylline EP Impurity F-13C, Theophylline EP Impurity A-13C, Theophylline-Ethyl…

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Caffeine-13C (Pentoxifylline EP Impurity F-13C, Theophylline EP Impurity A-13C, Theophylline-Ethylenediamine EP Impurity A-13C)

CAS:202282-98-2

Formula:

C₇₁₃CH₁₀N₄O₂

Molecular weight:

195.18

Ref: 4Z-C-189

10mg		To inquire
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Estimated delivery in United States, on Tuesday 7 Jan 2025

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Caffeine Impurity 3-13C-d3

Formula:

C₆₁₃CH₇D₃N₄O₃

Molecular weight:

202.19

Ref: 4Z-C-1822

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Estimated delivery in United States, on Tuesday 7 Jan 2025

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Caffeine Impurity 6-13C2

CAS:1839-15-2 79-11-8

Formula:

C₂H₃ClO₂

Molecular weight:

96.48

Ref: 4Z-C-1825

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Estimated delivery in United States, on Tuesday 7 Jan 2025

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Caffeine Impurity 10

CAS:1597448-45-7

Formula:

C₈H₁₂N₄O₃

Molecular weight:

212.21

Ref: 4Z-C-1821

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Estimated delivery in United States, on Tuesday 7 Jan 2025

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Caffeine Impurity 9

Formula:

C₇H₁₀N₄O₃

Molecular weight:

198.18

Ref: 4Z-C-1820

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Estimated delivery in United States, on Tuesday 7 Jan 2025

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m-Hydroxyhippuric Acid-13C2, 15N

CAS:1637-75-8

Applications m-Hydroxyhippuric Acid-13C2, 15N is labelled m-Hydroxyhippuric Acid (H943125) which is a metabolite of caffeic …

Formula:

C₇₁₃C₂H₉₁₅NO₄

Color and Shape:

White To Off-White

Molecular weight:

198.15

Ref: TR-H943127

1mg		335.00 €
10mg		2,141.00 €

Estimated delivery in United States, on Friday 10 Jan 2025

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1,3,7-Trimethyluric Acid-d3

Controlled Product

CAS:188297-95-2

Stability Store in freezer Applications A caffeine metabolite. References Regal, K.A., et al.: J. of …

Formula:

C₈H₃H₇N₄O₃

Color and Shape:

Neat

Molecular weight:

213.21

Ref: TR-T798000

10mg		240.00 €
100mg		1,568.00 €

Estimated delivery in United States, on Friday 10 Jan 2025

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5-Acetylamino-6-formylamino-3-methyluracil

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5-Acetylamino-6-formylamino-3-methyluracil

Controlled Product

CAS:85438-96-6

Applications Metabolite of Caffeine (C080100). References Grant, D.M., et al.: Clin. Pharm. and Ther., 33, …

Formula:

C₈H₁₀N₄O₄

Color and Shape:

Light Yellow Solid

Molecular weight:

226.19

Ref: TR-A168210

5mg		310.00 €
10mg		534.00 €
25mg		1,240.00 €

Estimated delivery in United States, on Friday 10 Jan 2025

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Caffeine-d9

Controlled Product

CAS:72238-85-8

Applications Lablled Caffeine (C080100). Caffeine is a bitter, white crystalline xanthine alkaloid that acts as …

Formula:

C₈H₉HN₄O₂

Color and Shape:

White

Molecular weight:

203.25

Ref: TR-C080102

25mg		2,120.00 €
2500µg		324.00 €

Estimated delivery in United States, on Friday 10 Jan 2025

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