Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competitive quotation. Telegram/Signal: +14152008153 Threema: 3DXV8NCZ

Pharmaceutical Intermediate Key intermediate in drug R&D and production, particularly for anti-inflammatory, analgesic, or anticancer agents. Organic Synthesis Used as a precursor for synthesizing esters, amides, and other derivatives via epoxide ring-opening reactions. Drug Development Explored for its potential in treating cancers, neurodegenerative diseases, and as a drug carrier. Biochemical Research Studied for antimicrobial and anti-inflammatory activities in experimental models. Telegram +14152008153 Signal:Winnie.43 Threema: 3DXV8NCZ

Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competitive quotation. Telegram +14152008153 Signal:Winnie.43 Threema: 3DXV8NCZ

Quality rejections after delivery are among the most disruptive events in a chemical supply chain. For clients purchasing BK4 CAS 1451-82-7 from our factory, this risk is systematically managed through multi-stage quality control that catches non-conforming material before it ever reaches packaging. In eight years of continuous production, our delivered non-conformance rate has remained below 0.3 percent across all shipments. Long-term clients maintain running supply agreements with us specifically because that number gives them the confidence to minimize incoming inspection resources on their end. Also available from same factory CAS：28578-16-7，CAS: 5449-12-7，CAS: 49851-31-2 ♥Winnie Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

Quality rejections after delivery are among the most disruptive events in a chemical supply chain. For clients purchasing BK4 CAS 1451-82-7 from our factory, this risk is systematically managed through multi-stage quality control that catches non-conforming material before it ever reaches packaging. In eight years of continuous production, our delivered non-conformance rate has remained below 0.3 percent across all shipments. Long-term clients maintain running supply agreements with us specifically because that number gives them the confidence to minimize incoming inspection resources on their end. Also available from same factory CAS：28578-16-7，CAS: 5449-12-7，CAS: 49851-31-2 ♥Winnie Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

Clients requesting samples of PM.K ethyl glycidate CAS 28578-16-7 for internal quality approval or regulatory submission purposes receive full analytical documentation including HPLC chromatogram, NMR spectrum data, and complete Certificate of Analysis with all relevant physical and chemical parameters. This level of documentation support at the sample stage reflects the same thoroughness applied to every commercial shipment. Long-term clients in regulated industries confirm that our documentation quality has consistently met the requirements of their internal quality assurance departments without the need for supplementary requests or repeated follow-up. The old CAS is 4676-39-5,13605-48-6 Also available: CAS: 5449-12-7，CAS: 1451-82-7，CAS: 49851-31-2 ♥Winnie Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ

Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competit

Pharmaceutical Intermediate Key intermediate in drug R&D and production, particularly for anti-inflammatory, analgesic, or anticancer agents. Organic Synthesis Used as a precursor for synthesizing esters, amides, and other derivatives via epoxide ring-opening reactions. Drug Development Explored for its potential in treating cancers, neurodegenerative diseases, and as a drug carrier. Biochemical Research Studied for antimicrobial and anti-inflammatory activities in experimental models. Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

Pharmaceutical Intermediate Key intermediate in drug R&D and production, particularly for anti-inflammatory, analgesic, or anticancer agents. Organic Synthesis Used as a precursor for synthesizing esters, amides, and other derivatives via epoxide ring-opening reactions. Drug Development Explored for its potential in treating cancers, neurodegenerative diseases, and as a drug carrier. Biochemical Research Studied for antimicrobial and anti-inflammatory activities in experimental models. Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

The same BK4 CAS 1451-82-7 specification that our European pharmaceutical clients rely upon is available to buyers in every market we serve worldwide. We do not maintain separate quality tiers for different regions or order sizes. Whether you are ordering 25kg for laboratory evaluation or 200kg for production use, the product leaves our facility under the same release criteria and accompanied by the same level of analytical documentation. This uniform quality standard across all markets and all quantities is the foundation upon which every long-term supply relationship we maintain has been built. ♥Winnie Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ

Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competitive quotation. Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competitive quotation. Telegram +14152008153 Signal:Winnie.43 Threema: 3DXV8NCZ

Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competit

Our Advantages: 1. Backed by years of experience in export shipping, we employ a team of professional and seasoned freight forwarders to ensure the safe and efficient delivery of goods via various modes of transport. 2. High quality combined with highly competitive pricing. 3. All products boast a purity level exceeding 99%. 4. As a direct manufacturer, we are able to supply high-quality products at ex-factory prices while guaranteeing rapid and secure delivery. 5. Extensive experience in the handling and loading of both bulk cargo and containerized shipments at Chinese ports. 6. Fast shipping services provided by our shipping partners. 7. Pallet packaging is available upon request. 8. Exceptional after-sales service. We are committed to providing top-tier products that meet the specific needs of every client. If you can provide the detailed specifications of the products you require, along with your designated delivery location, we will be pleased to furnish you with a highly competit

Pharmaceutical Intermediate Key intermediate in drug R&D and production, particularly for anti-inflammatory, analgesic, or anticancer agents. Organic Synthesis Used as a precursor for synthesizing esters, amides, and other derivatives via epoxide ring-opening reactions. Drug Development Explored for its potential in treating cancers, neurodegenerative diseases, and as a drug carrier. Biochemical Research Studied for antimicrobial and anti-inflammatory activities in experimental models. Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

3,4-Methylenedioxyphenyl-2-propanone glycidyl acid We specialize in the production and export of pharmaceutical intermediates and chemical raw materials. Our product range includes high-quality intermediates, fine chemicals, and specialty chemicals, serving clients in the pharmaceutical, chemical, and research industries worldwide. We are committed to reliable quality, competitive prices, and long-term partnerships.

We have years of export shipping experience, so our forwarders keep your delivery safe and efficient. We give you high quality at competitive prices. We guarantee all products are >99% pure. As a manufacturer, we offer ex-factory prices with fast, secure delivery. We have extensive experience handling bulk containers at Chinese ports. We work with shipping companies to ensure fast delivery. We offer pallet packaging whenever you request it. We provide excellent service even after delivery. Telegram +14152008153 Signal:Winnie.43 Threema: 3DXV8NCZ

Pharmaceutical Intermediate Key intermediate in drug R&D and production, particularly for anti-inflammatory, analgesic, or anticancer agents. Organic Synthesis Used as a precursor for synthesizing esters, amides, and other derivatives via epoxide ring-opening reactions. Drug Development Explored for its potential in treating cancers, neurodegenerative diseases, and as a drug carrier. Biochemical Research Studied for antimicrobial and anti-inflammatory activities in experimental models. Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ Telegram:@winnie0808

The safe and reliable delivery of BK4 (2-Bromo-4′-methylpropiophenone, CAS 1451-82-7) is handled by our experienced export logistics team, which possesses extensive expertise in international shipping. All orders are packaged using chemical-grade sealed inner liners, moisture-proof outer bags, and—depending on the order size—either cardboard cartons or drum containers. Every shipment undergoes a dual customs clearance process. We collaborate with reputable freight forwarders to provide air freight, cargo shipping, and express delivery services, covering over 60 destination countries. Your products will be shipped smoothly, delivered on time, and arrive in full compliance with the import regulations of the destination country. Also available: CAS 49851-31-2, 5337-93-9. Methanol: Winnie Wang Telegram/Signal: +14152008153 Threema: 3DXV8NCZ

The same BK4 CAS 1451-82-7 specification that our European pharmaceutical clients rely upon is available to buyers in every market we serve worldwide. We do not maintain separate quality tiers for different regions or order sizes. Whether you are ordering 25kg for laboratory evaluation or 200kg for production use, the product leaves our facility under the same release criteria and accompanied by the same level of analytical documentation. This uniform quality standard across all markets and all quantities is the foundation upon which every long-term supply relationship we maintain has been built. ♥Winnie Zangi: 30-4652-8000 Signal: winnie.43 Threema: 3DXV8NCZ