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China (Mainland)
Pregabalin 148553-50-8 Pregabalin Capsule High Quality Pregabalin CAS NO.148553-50-8
- Min.Order: 1 Kilogram
- Payment Terms: T/T,MoneyGram,Other
- Product Details
Keywords
- Pregabalin 148553-50-8
- Manufacturer of Pregabalin 148553-50-8 Pregabalin Capsule High Quality Pregabalin
- High purity Pregabalin 148553-50-8 Pregabalin Capsule High Quality Pregabalin
Quick Details
- ProName: Pregabalin 148553-50-8 Pregabalin Caps...
- CasNo: 148553-50-8
- Molecular Formula: C8H17NO2
- Appearance: White fine powder
- Application: Function 1. Pharmacological ef...
- DeliveryTime: Delivery within one week after order c...
- PackAge: according to the clients requirement
- Port: qingdao, Shanghai, Guangzhou, Tianjin
- ProductionCapacity: 1 Metric Ton/Day
- Purity: 99%
- Storage: Sealed dry storage
- Transportation: Transportation by express, air, sea; p...
- LimitNum: 1 Kilogram
Superiority
Preparation method of (S)-3-aminomethyl-5-methylhexanoic acid
discloses a preparation method of pregabalin, comprising the following steps: (1) dropwisely adding bromine into a sodium hydroxide aqueous solution to generate a reaction solution I; dissolving (R)-(-)-3-carbamylmethyl-5-methylhexanoic acid with a sodium hydroxide aqueous solution to obtain a reaction solution II; (2) dropwise adding the reaction solution II into the reaction solution I to carry out a Hofmann degradation reaction to obtain a reaction solution III; (3) filtering the reaction solution III to obtain a filtrate I; (4) adding concentrated hydrochloric acid into the filtrate I, and stirring and filtering to obtain a solid wet product; and (5) adding the solid wet product into a solvent I, heating, stirring, dissolving, filtering, cooling the filtrate, stirring, filtering, and drying a filter cake to obtain the pregabalin. The preparation method is simple in technological process, good in impurity control effect and suitable for industrial production.
Details
Hello, dear friend!
I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by email in time
√1、The product quality has passed the professional production process and quality inspection, and the purity is more than 99%;
√ 2. The products shall be packed in special standard barrels or according to the requirements of customers. All packages should be carefully transported and protected according to customer requirements;
√3、The product from the raw material procurement, production planning, feeding capacity, production process, FG testing, warehousing inspection and other aspects of the whole process of quality control, strict supervision, through the authenticity, accuracy, timeliness and integrity of data records, to ensure the continuous improvement of product quality, and to put an end to all non-standard phenomen;
√4、Our products are of high quality and low price, and we have sufficient stock. We will send COA and product related information to you as soon as we receive your email 
√2、If the mail fails or the product quality fails to meet the target requirements, we will promise to refund according to the contract;
√3、We will deliver the goods within 7 days after receiving your payment. If you need to cancel or change the order, please let us know within 24 hours after payment;
√4、If there are problems in the use of the product, please contact us in time, we will provide corresponding technical guidance and efficient and high-quality service;
Our service tenet is: Service is the foundation, quality is the survival and science and technology is the development.
