High purity Guanine CAS 73-40-5 In stock Manufacturer & Supplier
Sep 28th, 2022 at 04:34 Daily Chemicals Minneapolis 49 views Reference: MVyb8YEjdvA
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High Purity Guanine Cas 73-40-5 In Stock - Buy Guanine Cas 73-40-5,Guanine,Cas 73-40-5 Product manufacturer and supplier from China, Please contact us by Live Chat on the bottom right.
CAS No.:
Guanine with 25kg/drum or according to your requirements.PortQingdao or Shanghai PortPicture Example:
Lead time:| Quantity(kilograms) | 1 - 1000 | >1000 |
| Est. time (days) | 7 | To be negotiated |
Guanine CAS 73-40-5
Quick Details
Chemical Name: Guanine
CAS No.: 73-40-5
Molecular Fomula: C5H5N5O
Chemical Structure:
Molecular weight: 151.13
Appearance: White to light yellow crystal powder
Typical Properties
|
Item |
Specifications |
|
Appearance |
White to light yellow crystal powder |
|
Melting point |
>300 °C(lit.) |
|
Boiling point |
273.11°C (rough estimate) |
|
Density |
1.4456 (rough estimate) |
|
Refractive index |
2.0000 (estimate) |
|
Storage temp. |
2-8°C |
|
solubility |
1 M NaOH: 0.1 M at 20 °C, clear, colorless |
|
pka |
9.92(at 40℃) |
|
Water Solubility |
practically insoluble |
Packaging and Shipping
§ Drum,25 kg
Storage
Preserve in tight, light-resistant containers at room temperature.
Our services
1.Supply sample
2.The packing also can be according the customers` requirment
3.Any inquiries will be replied within 24 hours
4.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
5.Factory price.
6.Prompt delivery. We have good cooperation with many professional forwarders, We can send the products to you once you confirm the order.
7.We can accept various payment methods, L/C, T/T, D/A, D/P, O/A, paypal, Western Union etc., and we cooperate with Sinosure many years.
About us
1.More than 10 years chemical exporting experience
We have produced chemical more than fifteen years., 80% products are for export .
More than 10 years chemical exporting experience. Good and stabilized factory price.
2.Strict quality control system
We has passed through the ISO9001:2015 Quality System Certificate, we have strict quality control system
3.Supply sample
Before order , we can send the sample for your testing . We ensure the quality is the same as bulk quantity .
Our Factory and Lab
Our Certification
Our Partners
Our Team
Our Delivery
Q1. 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.
Q2. How to make the payment?
Answer: T/T in advance are highly recommended. We can accept Western Union, Money Gram
and Paypal as well.
Q3. When will you deliver the goods?
Answer: For sample, in need about 2 working days after payment; for big cargo
(more than 1kg), in about 3 working days after payment.
Q4. How will you deliver the goods?
Answer: We have professional express forwarder, strong cooperate with DHL, TNT, UPS, FEDEX, EMS, China Air Post.
For container products, we can do sea shipping,can guarantee that you can receive the product successfully and safety. You also can choose your own shipping forwarder.
Q5. 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 -10 days at most.
Q6. 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 provide with you the professional technical help.
Guanine CAS 73-40-5
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