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High Quality Organic Intermediate 4' -Methylpropiophenone CAS 5337-93-9 Long-Term Supply of Fast Delivery

High Quality Organic Intermediate 4' -Methylpropiophenone CAS 5337-93-9 Long-Term Supply of Fast Delivery

CAS: 60-18-4 L-Tyrosine
Package: 1g / 100g / 1 kg / 25 kg

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Product Introduction

We regards two things as basic principles, which are human resource and technology-orientation. With more than a decade of experience in Material Science, Biochemicals, DECYL GLUCOSIDE as well as communicating with customers, we are very confident to offer advanced and satisfactory products to customers! We believe that ambition determines scale, scale determines status, and status determines space. We have a complete range of products, and customized equipment is available for users to choose from. We will continue to adjust flexibly with the changes in the market environment, actively develop and produce new products, constantly improve the management mechanism, adhere to the "customer first, forge ahead" business philosophy.

SPECIFICATION OF CAS: 60-18-4 L-Tyrosine

ITEMS

SPECIFICATION

Solubility

1 M HCl

Color

White to Pale-brown

Boiling point

314.29°C

Pka

2.2 (at 25℃)

BRN

392441

Alpha

-11.65 º (c=5,DIL HCL/H2O 50/50)

Storage temp.

Store below +30°C.

Refractive index

-12 ° (C=5, 1mol/L HCl)

Form

Powder

EPA Substance Registry System

L-Tyrosine (60-18-4)

PH

6.5 (0.1g/l, H2O)

FEMA

3736 | L-TYROSINE

InChIKey

OUYCCCASQSFEME-QMMMGPOBSA-N

Fp

176 °C

Density

1.34

JECFA Number

1434

Water Solubility

0.45 g/L (25 ºC)

Melting point

>300 °C (dec.) (lit.)

Merck

14,9839

Stability

Stable. Incompatible with strong oxidizing agents, strong reducing agents.

Optical activity

[α]20/D 11.5±1.0°, c = 4% in 1 M HCl

NIST Chemistry Reference

Tyrosine (60-18-4)

CAS DataBase Reference

60-18-4 (CAS DataBase Reference)

Company Information

Zhengzhou Alfa Chemical Co., Ltd

So far, Alfa Chemical has established one advanced base including production facility, test laboratories, research centers.

Coming from well-known domestic companies and top universities, our team are dedicated to research advanced chemicals, guarantee the quality of products by NMR, HPLC, MS, etc. analysis and provide research and manufacturing solutions for worldwide customers.

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FAQ

1) How do you take care when your clients received defective products?

A: Replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.

2) How do you check all the goods in the production line.

A: We have spot inspection and finished product inspection. We check the products of every batches when they go into next step production.

We follow the international cutting-edge technology and look ahead to the High Quality Organic Intermediate 4' -Methylpropiophenone CAS 5337-93-9 Long-Term Supply of Fast Delivery industry development trend. We have improved production efficiency while ensuring product quality. We believe that corporate culture is the intellectual support and value underpinning of corporate development.

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