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
XLSTANDARDS (XiangLong Standards) – the global-facing brand of Changzhou Xianglong Group – is a premier provider of reference materials and standards for biomedical and pharmaceutical industries. With over a decade of dedicated brand operation, we have built a trusted reputation across Asia, North America, Europe, and South America, serving more than 5,000 clients and supporting the successful regulatory approval of over 4,500 drug products.
Our comprehensive portfolio offers more than 60,000 reference substances, including drug standards, impurity reference materials, metabolites, degradation products, and custom-synthesized compounds. We maintain long-term, strategic collaborations with major official pharmacopoeias – including USP, EP, and ChP – positioning XLSTANDARDS among the world’s most recognized names in the field.
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
XLSTANDARDS (XiangLong Standards) – the global-facing brand of Changzhou Xianglong Group – is a premier provider of reference materials and standards for biomedical and pharmaceutical industries. With over a decade of dedicated brand operation, we have built a trusted reputation across Asia, North America, Europe, and South America, serving more than 5,000 clients and supporting the successful regulatory approval of over 4,500 drug products.
Our comprehensive portfolio offers more than 60,000 reference substances, including drug standards, impurity reference materials, metabolites, degradation products, and custom-synthesized compounds. We maintain long-term, strategic collaborations with major official pharmacopoeias – including USP, EP, and ChP – positioning XLSTANDARDS among the world’s most recognized names in the field.
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.
Latest News
