CAS 738-70-5: Trimethoprim

Formula:C₁₄H₁₈N₄O₃

InChI:InChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)

InChI key:InChIKey=IEDVJHCEMCRBQM-UHFFFAOYSA-N

SMILES:N=1C=C(C(=NC1N)N)CC2=CC(OC)=C(OC)C(OC)=C2

Synonyms:
2,4-Diamino-5-(3',4',5'-trimethoxybenzyl)pyrimidine
2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine
2,4-Pyrimidinediamine, 5-[(3,4,5-trimethoxyphenyl)methyl]-
5-((3,4,5-Trimethoxyphenyl)Methyl)-2,4-Pyrimidinediamine
5-(3,4,5-Trimethoxybenzyl)Pyrimidine-2,4-Diyldiamine
Antibiotic synergist
Bw 56-72
Infectotrimet
Instalac
Monotrim
See more synonyms
Nih 204
Nsc 106568
Proloprim
Pyrimidine, 2,4-diamino-5-(3,4,5-trimethoxybenzyl)-
Syraprim
Tiempe
Trimanyl
Trimethioprim
Trimethoprim Crystalline
Trimethoprim(TMP)
Trimethoprime
Trimetoprim
Trimetoprima
Trimogal
Trimopan
Trimpex
Triprim
Uretrim
Wellcoprim

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products per page. Found 26 products.

Product data	Purity	Price range	Estimated delivery
Trimethoprim REF: 3B-T2286CAS: 738-70-5	>98.0%(T)(HPLC)	96.00 €~308.00 €	Tue 01 Apr 25
Trimethoprim, 50 mg/ml in DMSO, sterile-filtered REF: 02-J67175CAS: 738-70-5	- - -	To inquire	Wed 02 Apr 25
Trimethoprim RS REF: 41-ICRS0435CAS: 738-70-5	- - -	102.00 €	Tue 08 Apr 25
Trimethoprim CRS REF: 41-T2200000CAS: 738-70-5	- - -	115.00 €	Tue 08 Apr 25
Trimethoprim REF: 47-344CAS: 738-70-5	99.8%	242.00 €	Tue 08 Apr 25
Trimethoprim REF: 45-1692505CAS: 738-70-5	- - -	463.00 €	Mon 07 Apr 25
2,4-Diamino-5-(3,4,5-Trimethoxybenzyl)Pyrimidine REF: IN-DA0032YSCAS: 738-70-5	98%	24.00 €~195.00 €	Tue 08 Apr 25
Trimethoprim REF: TM-T1153CAS: 738-70-5	99.80% - 99.81%	49.00 €	Tue 08 Apr 25
Trimethoprim REF: 54-BIT0154CAS: 738-70-5	99.8%	47.00 €~498.00 €	Wed 09 Apr 25
Trimethoprim REF: 4Z-T-7013CAS: 738-70-5	- - -	224.00 €~971.00 €	Wed 09 Apr 25
Trimethoprim REF: 7W-GA3656CAS: 738-70-5	(Titration) 99.0 - 101.0 % (dried basis)	29.00 €~389.00 €	Wed 09 Apr 25
Trimethoprim, USP grade REF: 7W-GP5138CAS: 738-70-5	≤ 0.1%	To inquire	Wed 09 Apr 25
Ministry of Agriculture Veterinary Drug Mixture 348 10 µg/mL in Acetonitrile:Water REF: 04-A50000348WLCAS: 102-65-8 112398-08-0 115550-35-1 122-11-2 1220-83-3 127-69-5 127-71-9 127-79-7 144-80-9 144-83-2 23282-55-5 2447-57-6 2462-17-1 526-08-9 57-67-0 59-40-5 63-74-1 68-35-9 70458-92-3 723-46-6 738-70-5 82419-36-1 91296-86-5 93106-60-6 98079-51-7	- - -	To inquire	Fri 11 Apr 25
Sulfonamides Mixture for GB/T 21316-2007 100 µg/mL in Acetonitrile REF: 04-GA09000590ALCAS: 122-11-2 122-16-7 1220-83-3 127-69-5 127-71-9 127-79-7 144-80-9 144-82-1 144-83-2 2447-57-6 515-64-0 526-08-9 57-67-0 57-68-1 59-40-5 651-06-9 68-35-9 72-14-0 723-46-6 729-99-7 738-70-5 80-32-0 80-35-3	- - -	To inquire	Fri 11 Apr 25
Pharmaceuticals Mixture 326 200 µg/mL in Methanol REF: 04-A50000326MECAS: 103-90-2 114-07-8 298-46-4 56296-78-7 58-08-2 723-46-6 738-70-5 93107-08-5	- - -	354.00 €	Fri 11 Apr 25
Trimethoprim 100 µg/mL in Acetonitrile REF: 04-XA17875000ALCAS: 738-70-5	- - -	30.00 €	Fri 11 Apr 25
Trimethoprim REF: 04-C17875000CAS: 738-70-5	- - -	78.00 €	Fri 11 Apr 25
Trimethoprim REF: 86-MM0093.00-0250CAS: 738-70-5	- - -	887.00 €	Fri 11 Apr 25
Trimethoprim, 98% REF: AC-45512CAS: 738-70-5	98%	To inquire	Fri 11 Apr 25
Trimethoprim 1000 µg/mL in Acetonitrile REF: 04-A17875000AL-1000CAS: 738-70-5	- - -	38.00 €	Fri 11 Apr 25

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Trimethoprim

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Purity:

>98.0%(T)(HPLC)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

290.32

Ref: 3B-T2286

25g		96.00 €
100g		177.00 €
500g		308.00 €

Estimated delivery in United States, on Tuesday 1 Apr 2025

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Trimethoprim, 50 mg/ml in DMSO, sterile-filtered

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Trimethoprim, 50 mg/ml in DMSO, sterile-filtered

CAS:738-70-5

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. …

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

Clear colorless to yellow, Liquid

Molecular weight:

290.32

Antibiotics

Ref: 02-J67175

1ml		123.00 €
5x1ml		To inquire

Estimated delivery in United States, on Wednesday 2 Apr 2025

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Trimethoprim RS

CAS:738-70-5

Ref: 41-ICRS0435

200mg 102.00 €

Estimated delivery in United States, on Tuesday 8 Apr 2025

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Trimethoprim CRS

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

White. Light Yellow. Powder.

Molecular weight:

290.3177

Ref: 41-T2200000

50mg 115.00 €

Estimated delivery in United States, on Tuesday 8 Apr 2025

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Trimethoprim

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Purity:

99.8%

Color and Shape:

Off White Solid

Molecular weight:

290.13789

Ref: 47-344

100mg 242.00 €

Estimated delivery in United States, on Tuesday 8 Apr 2025

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Trimethoprim

CAS:738-70-5

Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

White Yellow Cream Powder

Molecular weight:

290.13789

Ref: 45-1692505

300mg 463.00 €

Estimated delivery in United States, on Monday 7 Apr 2025

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2,4-Diamino-5-(3,4,5-Trimethoxybenzyl)Pyrimidine

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2,4-Diamino-5-(3,4,5-Trimethoxybenzyl)Pyrimidine

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Purity:

98%

Color and Shape:

Solid

Molecular weight:

290.3177

Ref: IN-DA0032YS

5g		24.00 €
1kg		195.00 €
25g		24.00 €
100g		61.00 €
250g		102.00 €
500g		132.00 €

Estimated delivery in United States, on Tuesday 8 Apr 2025

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Trimethoprim

CAS:738-70-5

Trimethoprim (NSC-106568) inhibits dihydrofolate reductase, CYP2C8, and OCT2 - an antibacterial agent.

Formula:

C₁₄H₁₈N₄O₃

Purity:

99.80% - 99.81%

Color and Shape:

White To Yellowish Powder

Molecular weight:

290.32

Ref: TM-T1153

500mg 49.00 €

Estimated delivery in United States, on Tuesday 8 Apr 2025

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Trimethoprim

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Purity:

99.8%

Color and Shape:

White Powder

Molecular weight:

290.32g/mol

Biochemicals and Reagents

Ref: 54-BIT0154

25g		47.00 €
100g		125.00 €
500g		498.00 €

Estimated delivery in United States, on Wednesday 9 Apr 2025

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Trimethoprim

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

White To Off-White Solid

Molecular weight:

290.32

Ref: 4Z-T-7013

5mg		224.00 €
10mg		373.00 €
25mg		474.00 €
50mg		677.00 €
100mg		971.00 €

Estimated delivery in United States, on Wednesday 9 Apr 2025

+ info

Trimethoprim

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Purity:

(Titration) 99.0 - 101.0 % (dried basis)

Color and Shape:

White to pale yellow powder

Molecular weight:

290.32

Ref: 7W-GA3656

1g		29.00 €
5g		63.00 €
10g		94.00 €
25g		156.00 €
50g		243.00 €
100g		389.00 €

Estimated delivery in United States, on Wednesday 9 Apr 2025

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+ info

Trimethoprim, USP grade

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Purity:

≤ 0.1%

Color and Shape:

White to light yellow powder

Molecular weight:

290.32

Ref: 7W-GP5138

Undefined size To inquire

Estimated delivery in United States, on Wednesday 9 Apr 2025

+ info

Ref: 04-A50000348WL

1ml To inquire

Estimated delivery in United States, on Friday 11 Apr 2025

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Sulfonamides Mixture for GB/T 21316-2007 100 µg/mL in Acetonitrile

Controlled Product

Color and Shape:

Mixture

Food Industry Standards

Ref: 04-GA09000590AL

1ml To inquire

Estimated delivery in United States, on Friday 11 Apr 2025

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Pharmaceuticals Mixture 326 200 µg/mL in Methanol

Controlled Product

CAS:103-90-2 114-07-8 298-46-4 56296-78-7 58-08-2 723-46-6 738-70-593107-08-5

Color and Shape:

Mixture

Food Industry Standards

Ref: 04-A50000326ME

1ml 354.00 €

Estimated delivery in United States, on Friday 11 Apr 2025

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+ info

Trimethoprim 100 µg/mL in Acetonitrile

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

Single Solution

Molecular weight:

290.32

Ref: 04-XA17875000AL

1ml 30.00 €

Estimated delivery in United States, on Friday 11 Apr 2025

+ info

Trimethoprim

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

Neat

Molecular weight:

290.32

Ref: 04-C17875000

250mg 78.00 €

Estimated delivery in United States, on Friday 11 Apr 2025

+ info

Trimethoprim

Controlled Product

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

Neat

Molecular weight:

290.32

Sulfonamides and Derivatives

Ref: 86-MM0093.00-0250

250mg 887.00 €

Estimated delivery in United States, on Friday 11 Apr 2025

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+ info

Trimethoprim, 98%

CAS:738-70-5

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

Formula:

C₁₄H₁₈N₄O₃

Purity:

98%

Color and Shape:

Powder, White to off-white

Molecular weight:

290.32

Ref: AC-45512

5g		89.00 €
25g		324.00 €
100g		To inquire

Estimated delivery in United States, on Friday 11 Apr 2025

+ info

+ info

Trimethoprim 1000 µg/mL in Acetonitrile

Controlled Product

CAS:738-70-5

Formula:

C₁₄H₁₈N₄O₃

Color and Shape:

Single Solution

Molecular weight:

290.32

Ref: 04-A17875000AL-1000

1ml 38.00 €

Estimated delivery in United States, on Friday 11 Apr 2025

+ info

CAS 738-70-5: Trimethoprim

Trimethoprim

Ref: 3B-T2286

Trimethoprim, 50 mg/ml in DMSO, sterile-filtered

Ref: 02-J67175

Trimethoprim RS

Ref: 41-ICRS0435

Trimethoprim CRS

Ref: 41-T2200000

Trimethoprim

Ref: 47-344

Trimethoprim

Ref: 45-1692505

2,4-Diamino-5-(3,4,5-Trimethoxybenzyl)Pyrimidine

Ref: IN-DA0032YS

Trimethoprim

Ref: TM-T1153

Trimethoprim

Ref: 54-BIT0154

Trimethoprim

Ref: 4Z-T-7013

Trimethoprim

Ref: 7W-GA3656

Trimethoprim, USP grade

Ref: 7W-GP5138

Ministry of Agriculture Veterinary Drug Mixture 348 10 µg/mL in Acetonitrile:Water

Ref: 04-A50000348WL

Sulfonamides Mixture for GB/T 21316-2007 100 µg/mL in Acetonitrile

Ref: 04-GA09000590AL

Pharmaceuticals Mixture 326 200 µg/mL in Methanol

Ref: 04-A50000326ME

Trimethoprim 100 µg/mL in Acetonitrile

Ref: 04-XA17875000AL

Trimethoprim

Ref: 04-C17875000

Trimethoprim

Ref: 86-MM0093.00-0250

Trimethoprim, 98%

Ref: AC-45512

Trimethoprim 1000 µg/mL in Acetonitrile

Ref: 04-A17875000AL-1000