Pharmaceutical Intermediates Manufacturers & Suppliers - China Pharmaceutical Intermediates Factory

4-Methyl-3-Nitropyrazole CAS 38858-90-1 Purity >98.0% (HPLC)

Chemical Name: 4-Methyl-3-Nitropyrazole

Synonyms: 4-Methyl-3-Nitro-1H-Pyrazole

CAS: 38858-90-1

Purity: >98.0% (HPLC)

Appearance: Light Yellow Powder

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Ethyl 3-Aminopyrazole-4-Carboxylate CAS 6994-25-8 Purity >98.5% (HPLC)

Name: Ethyl 3-Aminopyrazole-4-Carboxylate

Synonyms: Ethyl 3-Amino-4-Pyrazolecarboxylate

CAS: 6994-25-8

Purity: >98.5% (HPLC)

Appearance: Yellow to Brown Powder

Impurity / Intermediate of Allopurinol (CAS: 315-30-0)

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1-Methylpyrazole CAS 930-36-9 Purity >99.5% (GC) Factory

Chemical Name: 1-Methylpyrazole

Synonyms: 1-Methyl-1H-Pyrazole

CAS: 930-36-9

Purity: >99.5% (GC)

Appearance: Colorless to Light Yellow Clear Liquid

High Quality, Commercial Production

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Pyrazole(Boc)2 CAS 152120-54-2 Purity >99.5% (HPLC) Factory

Chemical Name: N,N’-Bis-Boc-1-Guanylpyrazol

Synonyms: Pyrazole(Boc)2

CAS: 152120-54-2

Purity: >99.5% (HPLC)

Appearance: White or Off-White Powder

Reagent for Introducing Guanidinyl-Group

Contact: Dr. Alvin Huang

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Pyrazole CAS 288-13-1 Purity >99.5% (HPLC) Factory

Chemical Name: Pyrazole

CAS: 288-13-1

Purity: >99.5% (HPLC)

Appearance: White to Beige Crystalline Powder

High Quality, Commercial Production

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5-Amino-1-(2-Hydroxyethyl)pyrazole CAS 73616-27-0 Purity >99.0% (HPLC) Cefoselis Intermediate

Name: 5-Amino-1-(2-Hydroxyethyl)pyrazole

CAS: 73616-27-0

Purity: >99.0% (HPLC)

Appearance: Light Yellow to Reddish Yellow Powder

High Quality, Commercial Production

Intermediates of Cefoselis & Cefoselis Sulfate

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4-Bromo-3-Methylpyrazole CAS 13808-64-5 Purity >99.0% (HPLC) Factory

Chemical Name: 4-Bromo-3-Methylpyrazole

CAS: 13808-64-5

Purity: >99.0% (HPLC)

Appearance: Light Brown Powder

High Quality, Commercial Production

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3-Aminopyrazole CAS 1820-80-0 Purity >99.0% (GC) (T) Factory

Chemical Name: 3-Aminopyrazole

CAS: 1820-80-0

Purity: >99.0% (GC) (T)

Appearance: Slightly Yellow to Brown Solid or Liquid

High Quality, Commercial Production

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3-Amino-5-Methylpyrazole CAS 31230-17-8 Purity >98.0% (HPLC) Factory

Chemical Name: 3-Amino-5-Methylpyrazole

Synonyms: 5-Methyl-3-Pyrazolamine

CAS: 31230-17-8

Purity: >98.0% (HPLC)

Appearance: Yellow or Light Yellow Solid

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1H-Pyrazole-3-Boronic Acid CAS 376584-63-3 Purity >98.0% (HPLC)

Chemical Name: 1H-Pyrazole-3-Boronic Acid

Synonyms: Pyrazol-3-Ylboronic Acid

CAS: 376584-63-3

Purity: >98.0% (HPLC)

Appearance: White to Off-White to Light Yellow Crystal

High Quality, Commercial Production

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Diethyl 3,5-Pyrazoledicarboxylate CAS 37687-24-4 Purity >98.0% (HPLC) Factory

Chemical Name: Diethyl 3,5-Pyrazoledicarboxylate

Synonyms: Diethyl Pyrazole-3,5-Dicarboxylate

CAS: 37687-24-4

Purity: >98.0% (HPLC)

Appearance: Pale Yellow Crystalline Powder

High Quality, Commercial Production

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3-Methylpyrazole CAS 1453-58-3 Purity >99.0% (GC) Factory

Chemical Name: 3-Methylpyrazole

CAS: 1453-58-3

Purity: >99.0% (GC)

Colorless Transparent or Light Yellow Liquid

High Quality, Commercial Production

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3-Amino-4-Pyrazolecarbonitrile CAS 16617-46-2 Purity >99.0% (HPLC)

Chemical Name: 3-Amino-4-Pyrazolecarbonitrile

Synonyms: 3-Amino-4-Cyanopyrazole

CAS: 16617-46-2

Purity: >99.0% (HPLC)

Appearance: Off-White to Light Yellow Powder

High Quality, Commercial Production

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3-Amino-4-Pyrazolecarboxamide Hemisulfate CAS 27511-79-1 Purity >99.5% (HPLC) Factory

Name: 3-Amino-4-Pyrazolecarboxamide Hemisulfate

Synonyms: 3-Aminopyrazole-4-Carboxamide Hemisulfate; 3-Amino-4-Carbamoylpyrazole Hemisulfate

CAS: 27511-79-1

Purity: >99.5% (HPLC)

Appearance: White to Off-White Powder

Impurity / Intermediate of Allopurinol (CAS: 315-30-0)

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Pharmaceutical Intermediates

Epitalon CAS 307297-39-8 Purity ≥98.0% (HPLC) High Purity

Tirzepatide CAS 2023788-19-2 Purity (HPLC) ≥99.0% Peptide Content ≥85.0% High Quality

N,N-Dimethylpropionamide (DMPA) CAS 758-96-3 Purity ≥99.0% (GC) High Quality

2,2′-Dimorpholinodiethyl Ether (DMDEE) CAS 6425-39-4 Purity ≥99.0% (GC) Polyurethane Foam Catalyst High Quality

N,N,N’,N”,N”-Pentamethyldiethylenetriamine (PMDETA) CAS 3030-47-5 Purity ≥99.0% (GC) Polyurethane Amine Catalysts High Quality

2-Methyl-1,4-Diazabicyclo[2.2.2]octane CAS 1193-66-4 Purity ≥90.0% (GC)

N-(2-Hydroxypropyl)ethylenediamine CAS 123-84-2 Purity ≥99.7% (GC) High Quality

Isophoronediamine (IPDA) CAS 2855-13-2 (cis- and trans- mixture) Purity ≥99.7% (GC) High Quality

Polyetheramine D-230 CAS 9046-10-0 Average Mn ~230 Assay ≥97.0% High Quality

3-(Dimethylamino)propylamine (DMAPA) CAS 109-55-7 Purity ≥99.8% (GC) High Quality

Diethylenetriamine (DETA) CAS 111-40-0 Purity ≥99.0% (GC) High Quality

Ethylenediamine (EDA) CAS 107-15-3 Purity ≥99.5% (GC) High Quality

2-(2-Aminoethylamino)ethanol (AEEA) CAS 111-41-1 Purity ≥99.5% (GC) High Quality

4-Methyl-3-Nitropyrazole CAS 38858-90-1 Purity >98.0% (HPLC)

Ethyl 3-Aminopyrazole-4-Carboxylate CAS 6994-25-8 Purity >98.5% (HPLC)

1-Methylpyrazole CAS 930-36-9 Purity >99.5% (GC) Factory

Pyrazole(Boc)2 CAS 152120-54-2 Purity >99.5% (HPLC) Factory

Pyrazole CAS 288-13-1 Purity >99.5% (HPLC) Factory

5-Amino-1-(2-Hydroxyethyl)pyrazole CAS 73616-27-0 Purity >99.0% (HPLC) Cefoselis Intermediate

4-Bromo-3-Methylpyrazole CAS 13808-64-5 Purity >99.0% (HPLC) Factory

3-Aminopyrazole CAS 1820-80-0 Purity >99.0% (GC) (T) Factory

3-Amino-5-Methylpyrazole CAS 31230-17-8 Purity >98.0% (HPLC) Factory

1H-Pyrazole-3-Boronic Acid CAS 376584-63-3 Purity >98.0% (HPLC)

Diethyl 3,5-Pyrazoledicarboxylate CAS 37687-24-4 Purity >98.0% (HPLC) Factory

3-Methylpyrazole CAS 1453-58-3 Purity >99.0% (GC) Factory

3-Amino-4-Pyrazolecarbonitrile CAS 16617-46-2 Purity >99.0% (HPLC)

3-Amino-4-Pyrazolecarboxamide Hemisulfate CAS 27511-79-1 Purity >99.5% (HPLC) Factory