Diethyl phenylmalonate


L-Valine paramete

CAS No.: 72-18-4
MF: C5H11NO2
Place of Origin: Shandong, China
Grade Standard: Medicine Grade
Purity: 99%min
Appearance: White Powder
Application: Pharmaceutical Raw Intermediates
Molecular weight: 117.15
Density: 1.23
Other Names: L-Valine
EINECS No.: 200-773-6
Type: Auxiliaries and Other Medicinal Chemicals
Usage: Animal Pharmaceuticals
Model Number: LYN- 72-18-4 L-Valine
Grade: Phamaceutical Grade
Shelf life: 2 Years
Assay: HPLC 99%
Melting point: 295-300 °C (subl.)(lit.)


Product Name L-Valine
Appearance White crystals or crystalline power
Assay 98.5~101.5 99.2%
PH 5.5~7.0 5.8
Specific rotation +26.6~+28.8 +28.0°
Residue on ignition ≤0.10 0.09%
Loss on drying ≤0.30 0.09%
Chloride (Cl) ≤0.05 <0.05%
Iron ≤30ppm <30ppm
Sulfate(SO4) ≤0.03 <0.03%
Arsenic (As) ≤1.5ppm <1.5ppm
Heavy metals (Pb) ≤15ppm <15ppm
Organic volatile inpurities Meets the requirements conforms


1. L-Valine is an essential amino acid for increasing cognitive function and smoothing nervous system fuction.

2. L-Valine is also needed for muscle metabolism, tissue repair and the maintenance of a proper nitrogen balance in the body.

3. L-Valine is found in very concentrated levels in muscle tissue.

4. L-Valine is also good for correcting the type of amino acid deficiencies that can be caused by drug addiction.

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


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.


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.


Store in tight, light-resistant containers, avoid exposure to direct sunlight, moisture and excessive heat.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


1kg/bag, 25kgs/drum (Two plastic-bags inside and Paper-drums or per customer's requirements.)

Delivery detail

   Having stock and can ship it out within 3 days when getting the payment.

L-Valine picture

Packaging and shipping

Honor Certificate

Professional team