Provide customers with first-class pre-sale technical consultation, centralized technical guidance, and high-quality after-sales service experience

This team provides brands with a continuous stream of innovative
products and technical support.

Provide customers with first-class pre-sale technical consultation, centralized technical guidance, and high-quality after-sales service experience

This team provides brands with a continuous stream of innovative products and technical support.

POPULAR REFERENCE STANDARDS

The products include reference standards for drugs, impurity controls, intermediates, metabolites, degradation products, antibiotics and amino acids, as well as custom synthesis services.

Drug reference standard
Impurity reference standard

Food inspection standards

Isotopic standard sample

Agricultural veterinary drug
standard sample

Natural extract
standard sample

Custom synthesis of
pharmaceutical impurities

COMPANY PROFILE

XL Standards is belonged to Changzhou Xianglong Group for overseas market. Changzhou Xianglong Group is a group company specializing in the research and development, production, quality control, and sales of standard substances/standards in the field of life and health sciences. After more than ten years of brand operation, we have served over 5000 customers in markets such as Asia, North America, Europe, and South America, and assisted in the successful approval of over 4500 types of drugs. This brand provides over 60000 standard substances to global customers and has established long-term stable partnerships with official pharmacopoeias such as the United States Pharmacopeia, European Pharmacopoeia, and Chinese Pharmacopoeia, becoming one of the most well-known standard substance brands in the world. Its products include drug standards, impurity reference standards, metabolites, degradation products, and customized synthetic standard products.

Xianglong Group has introduced a synthetic team led by postdoctoral researchers with overseas experience, possessing exceptional capabilities in customizing impurity standards. This team provides brands with a continuous stream of innovative products and technical support.

6W+

Provide over 60,000 standard products for global customers

4K+

Analysis verification constitutes an extremely rich technical system, with its types exceeding 4,000.

5K+

We have collaborated with over 5,000 domestic and foreign clients and established extensive business relationships.

COMPANY PROFILE

XL Standards is belonged to Changzhou Xianglong Group for overseas market. Changzhou Xianglong Group is a group company specializing in the research and development, production, quality control, and sales of standard substances/standards in the field of life and health sciences. After more than ten years of brand operation, we have served over 5000 customers in markets such as Asia, North America, Europe, and South America, and assisted in the successful approval of over 4500 types of drugs. This brand provides over 60000 standard substances to global customers and has established long-term stable partnerships with official pharmacopoeias such as the United States Pharmacopeia, European Pharmacopoeia, and Chinese Pharmacopoeia, becoming one of the most well-known standard substance brands in the world. Its products include drug standards, impurity reference standards, metabolites, degradation products, and customized synthetic standard products.

Xianglong Group has introduced a synthetic team led by postdoctoral researchers with overseas experience, possessing exceptional capabilities in customizing impurity standards. This team provides brands with a continuous stream of innovative products and technical support.

6W+

Provide over 60,000 standard products for global customers

4K+

Analysis verification constitutes an extremely rich technical system, with its types exceeding 4,000.

5K+

We have collaborated with over 5,000 domestic and foreign clients and established extensive business relationships.

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