You may encounter the following problems with other suppliers:

1. Supplier not factory,only traders, and you pay high price?

2. Supplier send bad quality products and disappear?

3. Guaranteed delivery, but supplier even can not ship out of china?

4. Supplier ask low price,but send less quantity?

5. Supplier don't have ability for regularly supply, always out of stock?

6. Quality not stable each time,always change?

7.They use other companies' product photo to scam?

8. Supplier not agree with your proposal for visiting their office?

Product description:
CAS:486460-32-6 Sitagliptin
Assay:99%min
Appearacne: White  Powder
Competitive price 
Best service
Product:Sitagliptin
CAS:486460-32-6
Molecular Formula: C16H15F6N5O