CAS:90776-58-2

CAS:90776-58-2

we have reasonable and competive price higu quality. we will give you safty logistics

Send InquiryChat Now

Product Details

CAS:90776-58-2

Produce name:4-BMA

Synonym:(3S 4S)-3-[(R)-1-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE
(3S,4S)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE
(3S,4S)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE
(3S,4S)-3-[(R)-(BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-CARBOXYETHYL]-2-AZETIDINONE
(3S,4S)-3-((R)-(T-BUTYLDIMETHYL SILYLOXY)ETHYL)-4-((R)-CARBOXY ETHYL)-2-AZETIDINONE
(3S,4S)-3-((R)-(TERT-BUTYLDIMETHYL-SILYLOXY)ETHYL)-4((R)-CARBOXYETHYL)-2-AZETIDINONE
(3S,4S)-4-[(R)-1-carboxyethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone
4-BMA
beta-Methylazetidin-2-one
(R)-2-((2S,3S)-3-((R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL)-4-OXOAZETIDIN-2-YL)PROPANOIC ACID
side chain for imipenem
1-BMA
Butyldimethylsilyloxyethylcarboxyet
Intermediate of Meropenem
-methylazetidin-2-one
2-Azetidineacetic acid, 3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-a-methyl-4-oxo-, (aR,2S,3S)-
1-Bma Or 4-Bma
MAP(MVP)
B-METHYLAZETIDIN-2-ONE

(3S,4S)-4-[(R)-1-CARBOXYETHYL]-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE

Usage: pharmaceutical intermedicate

Supply Ability: 100tons/year

Product specification 

Appearance

White to Light Yellow Powder

Appearance of solution

Not more intensely colored than the reference solutionY6

Melting point

235 ~ 240°C

Solubility

A) Water: sparingly soluble


B) Methanol: soluble


C) Methylene Chloride: practically insoluble

Identification

A) UV Absorption: 3.2 ~ 3.4


B) IR Spectrum


C) TLC


D) Chlorides Test

Related substances

Individual impurity: 0.1% Max


Total impurities: 0.3% Max

Heavy metals

20ppm Max

Loss on drying

Loss on drying

Sulfated ash

0.1% Max

PH (1% aqueous solution)

4.5 ~ 6.0

Assay

99.0 %min

FAQ:


1. What's your payment terms?
T/T or L/C, D/P,D/A

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.

3. How about the packing?
Usually we provide the packing as 25 kg / drum ,Of course, if you have special requirements on them, we will according to you.

4. When can I Get Reply?

We will contact you as soon as possible in 24 hours one working day!

5. How about the validity of the products?
According to the products you ordered.

6. What documents you provide? 
Usually, 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.

7.What is loading port?

Chinese main port



Hot Tags: cas:90776-58-2, manufacturers, suppliers, factory, buy, cheap, price, quotation, in stock
Related Products

Inquiry

  • Your Name:
  • *E-mail:
  • Phone:
  • Company:
  • Title:
  • *Content: