Cytosine
71-30-7

105-54-4
Ethyl butyrate
105-54-4
14/08/2020
Acrylamide
Acrylamide
79-06-1
13/08/2020

Cytosine paramete


Other Names: Cytosine
EINECS No.: 200-749-5
Brand Name: Lookchem
Appearance: White Crystalline Powder, White crystalline powder
CAS: 71-30-7
Packing: 25kg/drum
CAS No.: 71-30-7
Purity: 99.0%min
MF: C4H5N3O, C4H5N3O
Place of Origin: Shandong, China
Model Number: S-CAS 71-30-7
Product name: Cytosine CAS 71-30-7 with stock in hand !
Molecular Weight: 111.1
Application: Pharmaceutical Intermediates, Pharm Intermediates
Type: Pharmaceutical Intermediates

Specification


 
Specifications
Items Standard Results
Appearance A   white or almost white crystalline powder White crystalline powder
Loss on drying ≤0.50% 0.04%
Melting Point 210.0~220.0°C 214.3~215.0°C
Rotation +31.0°~+35.0° +33.0°
Residue on ignition ≤0.10% 0.04%
Heavy Metals ≤10ppm Complies
Assay(UV) 98.00~101.50% 100.80%
Assay (HPLC) ≥99.00% 99.78%
A250/A260 A280/A260 0.40~0.50 2.05~2.15 0.48 2.11
Conclusion: Meets the requirements

Application


Used as a pharmaceutical intermediate

Product service


1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit

Service


Pre-Sales Service


* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*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.

After-Sales Service


*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.

FAQ

Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Shipping

By Courier By Air By Sea
≤50kg 50kg-500kg ≥500kgs
3-7 Days 1-2week 2-3weeks
Door to Door Airport to Airport Seaport to Seaport
Easy to get products Need do Custom Clearance Need do Custom Clearance

Packing

25kg/net drum or 1kg/aluminum foil bag.

Cytosine picture

Packaging and shipping

Honor Certificate

Professional team