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4-Chloro-1-Butanol CAS 928-51-8 Purity >85.0% (GC) Factory
Chemical Name: 4-Chloro-1-Butanol
Synonyms: 4-Chlorobutan-1-ol
Contains Varying Amounts of Tetrahydrofuran
CAS: 928-51-8
Purity: >85.0% (GC)
Appearance: Colorless to Light Yellow Liquid
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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![4-Chloro-7-Tosyl-7H-Pyrrolo[2,3-d]pyrimidine CAS 479633-63-1 Purity >98.0% (HPLC) Tofacitinib Citrate Intermediate](https://www.ruifuchem.com/uploads/4-Chloro-7-Tosyl-7H-Pyrrolo23-dpyrimidine-CAS-479633-63-1-Factory-Shanghai-Ruifu-Chemical-Co.-Ltd.-www.ruifuchem.com_-300x300.jpg)
4-Chloro-7-Tosyl-7H-Pyrrolo[2,3-d]pyrimidine CAS 479633-63-1 Purity >98.0% (HPLC) Tofacitinib Citrate Intermediate
4-Chloro-7-Tosyl-7H-Pyrrolo[2,3-d]pyrimidine
CAS: 479633-63-1
Purity: >98.0% (HPLC)
Appearance: White to Light Yellow Powder
Intermediate of Tofacitinib Citrate (CAS: 540737-29-9)
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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(3R,4R)-1-Benzyl-N,4-Dimethylpiperidin-3-Amine CAS 477600-70-7 Purity >98.0% (HPLC) e.e. >98.0% Tofacitinib Citrate Intermediate
(3R,4R)-1-Benzyl-N,4-Dimethylpiperidin-3-Amine
CAS: 477600-70-7
Purity: >98.0% (HPLC)
Chiral Purity (e.e.): >98.0%
Appearance: Light-Yellow Oil
Intermediate of Tofacitinib Citrate (CAS: 540737-29-9)
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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Tofacitinib Citrate Intermediate CAS 477600-71-8 Purity >97.0% (HPLC) e.e. >97.0%
(2R,3R)-2,3-Bis[(4-methylbenzoyl)oxy]butanedioic acid compd. with (3R,4R)-N,4-dimethyl-1-(phenylmethyl)-3-piperidinamine
CAS: 477600-71-8
Purity: >97.0% (HPLC)
Chiral Purity (e.e.): >97.0%
Appearance: White to Off-White Solid
Intermediate of Tofacitinib Citrate (CAS: 540737-29-9)
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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![2,4-Dichloro-7H-Pyrrolo[2,3-d]pyrimidine CAS 90213-66-4 Purity >99.0% (HPLC) Tofacitinib Citrate Intermediate](https://www.ruifuchem.com/uploads/24-Dichloro-7H-Pyrrolo23-dpyrimidine-CAS-90213-66-4-Tofacitinib-Citrate-Intermediate-Factory-Shanghai-Ruifu-Chemical-Co.-Ltd.-www.ruifuchem.com_-300x300.jpg)
2,4-Dichloro-7H-Pyrrolo[2,3-d]pyrimidine CAS 90213-66-4 Purity >99.0% (HPLC) Tofacitinib Citrate Intermediate
Chemical Name: 2,4-Dichloro-7H-Pyrrolo[2,3-d]pyrimidine
Synonyms: 2,6-Dichloro-7-Deazapurine
CAS: 90213-66-4
Purity: >99.0% (HPLC)
Appearance: Off-White to Light Yellow Solid
Intermediate of Tofacitinib Citrate (CAS: 540737-29-9)
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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(3R,4R)-1-Benzyl-N,4-Dimethylpiperidin-3-Amine Dihydrochloride CAS 1062580-52-2 Purity >99.0% (GC) Tofacitinib Citrate Intermediate
Chemical Name: (3R,4R)-1-Benzyl-N,4-Dimethylpiperidin-3-Amine Dihydrochloride
CAS: 1062580-52-2
Purity: >99.0% (HPLC)
Chiral Purity (e.e.%): >99.0% (HPLC)
Appearance: White Solid
Intermediate of Tofacitinib Citrate (CAS: 540737-29-9)
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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![4-Chloropyrrolo[2,3-d]pyrimidine CAS 3680-69-1 Purity >98.0% (HPLC) Tofacitinib Citrate Intermediate](https://www.ruifuchem.com/uploads/4-Chloropyrrolo23-dpyrimidine-CAS-3680-69-1-Tofacitinib-Citrate-Intermediate-Factory-Shanghai-Ruifu-Chemical-Co.-Ltd.-www.ruifuchem.com_-300x300.jpg)
4-Chloropyrrolo[2,3-d]pyrimidine CAS 3680-69-1 Purity >98.0% (HPLC) Tofacitinib Citrate Intermediate
Chemical Name: 4-Chloropyrrolo[2,3-d]pyrimidine
Synonyms: 4-Chloro-7H-Pyrrolo[2,3-d]pyrimidine
CAS: 3680-69-1
Purity: >98.0% (HPLC)
Appearance: Off-White or Light Yellow Powder
Intermediate of Tofacitinib Citrate (CAS: 540737-29-9)
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4-Formyl-N-Cbz-Piperidine CAS 138163-08-3 Purity >98.0% (GC)
Chemical Name: 4-Formyl-N-Cbz-Piperidine
Synonyms: Benzyl 4-Formylpiperidine-1-Carboxylate
CAS: 138163-08-3
Purity: >98.0% (GC)
Appearance: Colorless to Light Yellow Viscous Liquid
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4-Fluoro-2-(Trifluoromethyl)aniline CAS 393-39-5 Purity >99.0% (GC)
Chemical Name: 4-Fluoro-2-(Trifluoromethyl)aniline
Synonyms: 2-Amino-5-Fluorobenzotrifluoride
CAS: 393-39-5
Purity: >99.0% (GC)
Appearance: Colorless to Light Yellow Clear Liquid
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4-Iodobenzyl Alcohol CAS 18282-51-4 Purity >99.0% (GC)
Chemical Name: 4-Iodobenzyl Alcohol
CAS: 18282-51-4
Purity: >99.0% (GC)
Appearance: White to Light Yellow Powder
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4-Aminopyrimidine CAS 591-54-8 Purity >98.0% (HPLC)
Chemical Name: 4-Aminopyrimidine
CAS: 591-54-8
Purity: >98.0% (HPLC)
Appearance: Light Yellow Powder
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4,6-Dichloronicotinonitrile CAS 166526-03-0 Purity >98.0% (HPLC)
Chemical Name: 4,6-Dichloronicotinonitrile
CAS: 166526-03-0
Purity: >98.0% (HPLC)
Appearance: White to Off-White Solid
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4,6-Dichloroisatin CAS 18711-15-4 Purity >98.0% (HPLC)
Chemical Name: 4,6-Dichloroisatin
Synonyms: 4,6-Dichloro-1H-Indole-2,3-Dione
CAS: 18711-15-4
Purity: >98.0% (HPLC)
Appearance: Light Yellow to Yellow Solid
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
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4,5-Difluoro-2-Nitroaniline CAS 78056-39-0 Purity >98.0% (GC)
Chemical Name: 4,5-Difluoro-2-Nitroaniline
CAS: 78056-39-0
Purity: >98.0% (GC)
Appearance: Yellow-Brown Powder
Contact: Dr. Alvin Huang
Mobile/Wechat/WhatsApp: +86-15026746401
E-Mail: alvin@ruifuchem.com
