Sichuan Guanghan Bio-Tech Co., Ltd.

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1. camptothecin derivatives-natual abstrasts

From 2003, we are always exporting natural abstracts at both good price and quality. (Camptothecin derivatives: like 10-hydroxycamptothecin, 7-ethyl-10-hydroxycamptothecin, Irinotecan & Topotecan).
For more new products and similar products, ...

2. pyrrolidine-chiral reagent & pharmaceutical intermediate

Chemical purity: 99%, 98%, 97%, 95%. Here are CAS No. for some typical Pyrrolidine items which we are offering at both good price and quality.

103831-11-4 116183-82-5 196550-13-0 147081-49-0 147081-44-5 99724-19-3 122536-77-0 18471-40-4 114715-39- ...

3. Piperazine-chiral reagent & pharmaceutical intermediates

Chemical purity: 99%, 98%, 97%, 95%. Here are CAS No. for some typical Piperazine items which we are offering at both good price and quality.
74879-18-8 169447-70-5 38869-47-5 3022-15-9 158663-69-5 126330-90-3 129365-23-7 147081-29-6 163765-44-4 ...

4. Piperidine derivatives-chiral reagent, pharmaceutical intermediates

Chemical purity: 99%, 98%, 97%, 95%.

Here are CAS No. for some typical Piperidine items which we are offering at both good price and quality.
184637-48-7 188111-79-7 625471-18-3 172603-05-3 216854-23-8 309956-78-3 73874-95-0 138060-07-8 ...