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Pharmaceutical Intermediates

  • 1-Acetyl-2-Phenylhydrazine CAS 114-83-0 Purity >99.0% (HPLC)

    1-Acetyl-2-Phenylhydrazine CAS 114-83-0 Purity >99.0% (HPLC)

    Chemical Name: 1-Acetyl-2-Phenylhydrazine

    CAS: 114-83-0

    Purity: >99.0% (HPLC) 

    Appearance: White to Off-White Needle Crystalline Solid

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Hydrazine Monohydrochloride CAS 2644-70-4 Purity >99.0% (T)

    Hydrazine Monohydrochloride CAS 2644-70-4 Purity >99.0% (T)

    Chemical Name: Hydrazine Monohydrochloride

    Synonyms: Hydrazinium Monochloride 

    CAS: 2644-70-4

    Purity: >99.0% (T) 

    Appearance: White Moist Crystalline Powder, Hygroscopic

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Hydrazine Dihydrochloride CAS 5341-61-7 Purity >99.0% (T)

    Hydrazine Dihydrochloride CAS 5341-61-7 Purity >99.0% (T)

    Chemical Name: Hydrazine Dihydrochloride

    Synonyms: Hydrazinium Dichloride 

    CAS: 5341-61-7

    Purity: >99.0% (T) 

    Appearance: White Crystalline Powder, Hygroscopic

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Methylhydrazine Sulfate CAS 302-15-8 Purity >99.0% (HPLC)

    Methylhydrazine Sulfate CAS 302-15-8 Purity >99.0% (HPLC)

    Chemical Name: Methylhydrazine Sulfate 

    CAS: 302-15-8

    Purity: >99.0% (HPLC) 

    Appearance: White Acicular Crystal

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • 2-Hydrazinopyridine CAS 4930-98-7 Purity >97.0% (GC)

    2-Hydrazinopyridine CAS 4930-98-7 Purity >97.0% (GC)

    Chemical Name: 2-Hydrazinopyridine

    Synonyms: 2-Pyridylhydrazine; 2-Hydrazinylpyridine

    CAS: 4930-98-7

    Purity: >97.0% (GC) 

    Appearance: Off-White to Yellow Solid  

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Acethydrazide CAS 1068-57-1 Purity >99.0% (HPLC) Factory

    Acethydrazide CAS 1068-57-1 Purity >99.0% (HPLC) Factory

    Chemical Name: Acethydrazide

    Synonyms: Acetohydrazide; Acetic Hydrazide 

    CAS: 1068-57-1

    Purity: >99.0% (HPLC) 

    Appearance: White to Off-White Needle Crystalline Solid

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Phenylhydrazine CAS 100-63-0 Purity >99.0% (GC)

    Phenylhydrazine CAS 100-63-0 Purity >99.0% (GC)

    Chemical Name: Phenylhydrazine 

    CAS: 100-63-0

    Purity: >99.0% (GC) 

    Appearance: Colorless to Light Yellow Oily Liquid 

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Formohydrazide CAS 624-84-0 Purity >99.0% (HPLC)

    Formohydrazide CAS 624-84-0 Purity >99.0% (HPLC)

    Chemical Name: Formohydrazide

    Synonyms: Formic Hydrazide; Formic Acid Hydrazide

    CAS: 624-84-0

    Purity: >99.0% (HPLC) 

    Appearance: White Needle Crystalline Solid

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Benzyl Carbazate CAS 5331-43-1 Purity >99.0% (HPLC)

    Benzyl Carbazate CAS 5331-43-1 Purity >99.0% (HPLC)

    Chemical Name: Benzyl Carbazate

    Syn.: Carbobenzoxyhydrazine; Benzyl Hydrazinocarboxylate

    CAS: 5331-43-1

    Purity: >99.0% (HPLC) 

    Appearance: White to Off-White Powder

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • tert-Butyl Carbazate CAS 870-46-2 Purity >99.0% (GC) Factory

    tert-Butyl Carbazate CAS 870-46-2 Purity >99.0% (GC) Factory

    Chemical Name: tert-Butyl Carbazate

    Synonyms: Boc-Hydrazine; tert-Butyl Hydrazinecarboxylate

    CAS: 870-46-2

    Purity: >99.0% (GC) 

    Appearance: White to Off-White Powder

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Ethyl Carbazate CAS 4114-31-2 Purity >99.0% (HPLC)

    Ethyl Carbazate CAS 4114-31-2 Purity >99.0% (HPLC)

    Chemical Name: Ethyl Carbazate

    Synonyms: Ethyl Hydrazinocarboxylate 

    CAS: 4114-31-2

    Purity: >99.0% (HPLC) 

    Appearance: White Crystalline Powder

    High Quality, Commercial Production

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Methyl Carbazate CAS 6294-89-9 Purity >99.0% (GC)

    Methyl Carbazate CAS 6294-89-9 Purity >99.0% (GC)

    Chemical Name: Methyl Carbazate

    Synonyms: Methyl Hydrazinocarboxylate 

    CAS: 6294-89-9

    Purity: >99.0% (GC) 

    White or Off-White to Pale Yellow Crystal Powder

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Valdecoxib CAS 181695-72-7 Purity >99.5% (HPLC)

    Valdecoxib CAS 181695-72-7 Purity >99.5% (HPLC)

    Chemical Name: Valdecoxib 

    CAS: 181695-72-7

    Purity: >99.5% (HPLC)  

    Appearance: White or Off-White Powder

    API, A Second-Generation COX-2 Inhibitor 

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com

  • Benzophenone Imine CAS 1013-88-3 Purity >97.0% (GC)

    Benzophenone Imine CAS 1013-88-3 Purity >97.0% (GC)

    Chemical Name: Benzophenone Imine

    Synonyms: Diphenylmethanimine 

    CAS: 1013-88-3

    Purity: >97.0% (GC) 

    Appearance: Colorless or Light Yellow Liquid

    Contact: Dr. Alvin Huang

    Mobile/Wechat/WhatsApp: +86-15026746401

    E-Mail: alvin@ruifuchem.com