Chiral Building Blocks Manufacturers & Suppliers - China Chiral Building Blocks Factory

(R)-(+)-1-Boc-3-Aminopyrrolidine CAS 147081-49-0 Purity >99.0% (GC) Chiral Purity (e.e.) >99.0%

Chemical Name: (R)-(+)-1-Boc-3-Aminopyrrolidine

CAS: 147081-49-0

Chemical Purity: >99.0% (GC)

Chiral Purity (e.e.): >99.0%

Appearance: Colorless to Yellow liquid

Chiral Compounds, High Quality

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Butyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate (DHBU) CAS 87129-32-6

Name: Butyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate

Synonyms: DHBU

CAS: 87129-32-6

Chemical Purity: >98.0%

Optical Purity: >99.0%

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Ethyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate (DHET) CAS 71301-98-9; 65343-67-1

Name: Ethyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate

Synonyms: DHET; HPPA-Et

CAS: 71301-98-9; 65343-67-1

Chemical Purity: >98.0%

Optical Purity: >99.0%

Appearance: White or Light Yellow Crystalline Solid

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Methyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate (MAQ) CAS 96562-58-2 Purity >99.0%

Name: Methyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate

Synonyms: MAQ; DHPPMe

CAS: 96562-58-2

Chemical Purity: >99.0% (GC)

Optical Purity: >99.0%

Appearance: White or Off-White Crystal

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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(R)-(+)-2-(4-Hydroxyphenoxy)propionic Acid (DHPPA) CAS 94050-90-5 Purity >99.0% Optical Purity >99.0%

Name: (R)-(+)-2-(4-Hydroxyphenoxy)propionic Acid

Synonyms: DHPPA; D-HPPA; RHPPA

CAS: 94050-90-5

Chemical Purity: >99.0% (HPLC)

Optical Purity: >99.0%

Appearance: White or Off-White Crystal

Synthesis of Aryloxyphenoxypropionate (APP) Herbicides

Contact: Dr. Alvin Huang

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E-Mail: alvin@ruifuchem.com

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(S)-(-)-2-Chloropropionic Acid CAS 29617-66-1 Assay >98.0% (GC) S-Form >97.0%

Chemical Name: (S)-(-)-2-Chloropropionic Acid

Synonyms: LCPA; L-CPA; SCPA

CAS: 29617-66-1

Appearance: Colorless to Pale Yellow Liquid

Assay: >98.0% (GC)

S-Form Assay: >97.0%

For the Synthesis of Aromatic Propionic Acid Herbicides

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Naproxen CAS 22204-53-1 Assay 98.5~101.5% (Titration)

Name: (S)-(+)-2-(6-Methoxy-2-Naphthyl)propionic Acid

Synonyms: Naproxen

CAS: 22204-53-1

Assay: 98.5~101.5% (Titration)

Appearance: White to Off-White Crystalline Powder

API, A Non-Steroidal Anti-Inflammatory Drug

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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(R)-1-Boc-3-Methylpiperazine CAS 163765-44-4 Purity >99.0% (GC)

Chemical Name: (R)-1-Boc-3-Methylpiperazine

Synonyms: (R)-1-tert-Butoxycarbonyl-3-Methylpiperazine

CAS: 163765-44-4

Purity: >99.0% (GC) (T)

Appearance: White to Light Yellow Powder to Crystal

High Quality, Commercial Production

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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(S)-(+)-2-Methylpiperazine CAS 74879-18-8 Purity >99.0% (HPLC) e.e >99.0% Factory

Chemical Name: (S)-(+)-2-Methylpiperazine

CAS: 74879-18-8

Purity: >99.0% (HPLC) e.e: >99.0%

Appearance: White to Light Yellow Powder to Crystal

Chiral Compounds, High Quality

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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(S)-1-Boc-3-Methylpiperazine CAS 147081-29-6 Purity >99.0% (HPLC)

Chemical Name: (S)-1-Boc-3-Methylpiperazine

CAS: 147081-29-6

Purity: >99.0% (HPLC) Chiral Purity >99.0%

Appearance: White to Off-White Crystals

High Quality, Commercial Production

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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(1S)-(-)-α-Pinene CAS 7785-26-4 Purity >98.0% (GC)

Chemical Name: (1S)-(-)-α-Pinene

Synonyms: (-)-α-Pinene

CAS: 7785-26-4

Purity: >98.0% (GC)

Appearance: Colorless Clear Liquid

High Quality, Commercial Production

E-Mail: alvin@ruifuchem.com

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(1R)-(+)-α-Pinene CAS 7785-70-8 Purity >98.0% (GC)

Chemical Name: (1R)-(+)-α-Pinene

Synonyms: (+)-α-Pinene

CAS: 7785-70-8

Purity: >98.0% (GC)

Appearance: Colorless Clear Liquid

High Quality, Commercial Production

E-Mail: alvin@ruifuchem.com

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(S)-2-Aminobutyramide Hydrochloride CAS 7682-20-4 Levetiracetam Intermediate Chiral Purity ≥99.50% (HPLC) Assay 98.0~102.0% (Titration)

Chemical Name: (S)-2-Aminobutyramide Hydrochloride

Synonyms: H-Abu-NH2·HCl

CAS: 7682-20-4

Appearance: White to Off-White Powder

Chiral Purity: ≥99.50% (HPLC)

Assay: 98.0%~102.0% (Titration, on Dried Basis)

Intermediate of Levetiracetam (CAS: 102767-28-2)

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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(S)-2-(Boc-Amino)non-8-Enoic Acid CAS 300831-21-4 Purity >98.0% (GC) e.e >99.0% Paritaprevir Intermediate Factory

Name: (S)-2-(Boc-Amino)non-8-Enoic Acid

CAS: 300831-21-4

Purity: >98.0% (GC)

e.e: >99.0%

Appearance: Brown Liquid

Intermediates of Paritaprevir (CAS: 1216941-48-8)

E-Mail: alvin@ruifuchem.com

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Chiral Building Blocks

4-Acetoxystyrene CAS 2628-16-2 (Stabilized with MEHQ or TBC) Purity ≥98.0% (GC)

4-Bromo-2-Fluorotoluene CAS 51436-99-8 Purity ≥99.0% (GC)

Sodium Alginate CAS 9005-38-3 Food Grade

N-Ethylbenzylamine CAS 14321-27-8 Purity ≥99.0% (GC) Factory

Semaglutide CAS 910463-68-2 Purity ≥99.0% (HPLC) Type 2 Diabetes Treatment

Gentamicin Sulfate CAS 1405-41-0 Assay ≥590 IU/mg (Anhydrous) Factory EP 11.0 Specifications

Adipic Acid CAS 124-04-9 Purity ≥99.8% Factory High Quality

Sulfadiazine Sodium Salt CAS 547-32-0 Assay 99.0-100.5% (Titration Dried Basis) Factory USP Specifications

Apixaban Intermediate CAS 503614-91-3 Purity ≥99.0% (HPLC) Factory High Quality

8-Bromo-2,4-Dichloroquinazoline CAS 331647-05-3 Purity >97.0% (HPLC)

1,12-Dodecanediol (DCO) CAS 5675-51-4 Purity ≥98.0% (GC) Factory High Quality

Glyceryl Monolaurate CAS 27215-38-9 Acid Value ≤5.0 mgKOH/g Saponification Value 200~200 mgKOH/g Food Emulsifiers Preservatives

L-Arginine Alpha-Ketoglutarate (1:1) CAS 16856-18-1 Assay 98.0~102.0% (HPLC) Factory Health Product

(R)-(+)-1-Boc-3-Aminopyrrolidine CAS 147081-49-0 Purity >99.0% (GC) Chiral Purity (e.e.) >99.0%

Butyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate (DHBU) CAS 87129-32-6

Ethyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate (DHET) CAS 71301-98-9; 65343-67-1

Methyl (R)-(+)-2-(4-Hydroxyphenoxy)propionate (MAQ) CAS 96562-58-2 Purity >99.0%

(R)-(+)-2-(4-Hydroxyphenoxy)propionic Acid (DHPPA) CAS 94050-90-5 Purity >99.0% Optical Purity >99.0%

(S)-(-)-2-Chloropropionic Acid CAS 29617-66-1 Assay >98.0% (GC) S-Form >97.0%

Naproxen CAS 22204-53-1 Assay 98.5~101.5% (Titration)

(R)-1-Boc-3-Methylpiperazine CAS 163765-44-4 Purity >99.0% (GC)

(S)-(+)-2-Methylpiperazine CAS 74879-18-8 Purity >99.0% (HPLC) e.e >99.0% Factory

(S)-1-Boc-3-Methylpiperazine CAS 147081-29-6 Purity >99.0% (HPLC)

(1S)-(-)-α-Pinene CAS 7785-26-4 Purity >98.0% (GC)

(1R)-(+)-α-Pinene CAS 7785-70-8 Purity >98.0% (GC)

(S)-2-Aminobutyramide Hydrochloride CAS 7682-20-4 Levetiracetam Intermediate Chiral Purity ≥99.50% (HPLC) Assay 98.0~102.0% (Titration)

(S)-2-(Boc-Amino)non-8-Enoic Acid CAS 300831-21-4 Purity >98.0% (GC) e.e >99.0% Paritaprevir Intermediate Factory