(S)-Pyrrolidine-2-carboxylic acid hydrochloride 7776-34-3 CAS NO.7776-34-3

(s)-pyrrolidine-2-carboxylic acid hydrochloride 7776-34-3

chinese name: l-proline hydrochloride

english name: (s) -pyrrolidine-2-carboxylic acid hydrochloride

1.cooperate with research institutions, we strictly control the process from raw material to finished product.

2. the customer comes first, we provide reasonable price, high quality product and prompt shipment.

3.we can send the goods to your delivery address directly. it is relatively safe and fast. we have ready goods in stock.

4.quick and clear response to customers questions.warm after sale service, we will help to solve the problems in your usage.

5.we could make our price discount if you place a substantial order with us.

our superiority

1.stable quality, high quality satisfy customer's high grade sourcing request.

2.competitive price .

3.correct delivery time promise.

4.continuous improvement make sure the long-term cooperation.

5.honest service for your whole sourcing process.

q1. are you a manufacturer

answer: yes, we have our own factory called “zhishang industry group ”, we export by shandongzhishangchemical co., ltd.

q2. do you have gmp or dmf

answer: yes, we have gmp certificate for some products, and we can provide dmf as well.

q3. what information should i let you know if i want to get a quotation

answer: -quality you require, eg. assay, purity, or single impurity

-quantity you need

-standard you want, such as usp, ep, jp etc.

q4. how to make the payment

answer: escrow and t/t in advance are highly recommended. we can accept , money gram and paypal as well.

q5. when will you deliver the goods

answer: for sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.

q6. how will you deliver the goods

answer: we have strong cooperation with dhl, tnt, ups, fedex, ems, china air post. for container products, we can do sea shipping.

you also can choose your own shipping forwarder.

q7. when will we receive the goods

answer: for samples, we will send by tnt/dhl/fedex/ups express, usually it takes about 3-5 to reach you; for larger orders, it will take about 7 -10days at most.

q8. what if we find your products unsatisfied

answer: we will send you a coa (certificate of analysis) to you first for you to confirm the quality, but if you find our products not confirm with the coa after you receive it, please show us your test result, we will refund you once we confirm that.