79349-82-9 7-Amino-3-vinyl-3-cephem-4-carboxylic acid AKSci K402
 
 
Loading Please Wait...
  K402    AKSci Reference Standard
7-Amino-3-vinyl-3-cephem-4-carboxylic acid, >98%, powder
 
(6R,7R)-7-Amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-AVCA
IDENTITY
CAS Number:79349-82-9
MDL Number:MFCD07782149
MF:C9H10N2O3S
MW:226.25
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:>98%, powder
Physical Form (at 20°C):Solid
Melting Point:240-252°C (dec.)
Density:1.6
Refractive Index:1.69
Long-Term Storage:Store long-term in a cool, dry place
DOT/IATA TRANSPORT INFORMATION
Not hazardous material

REVIEW
 An advanced beta lactam intermediate used in the preparation of the cephalosporin antibiotic cefdinir.

REFERENCES
[1]Takaya, Takao; Takasugi, Hisashi; Masugi, Takashi; Yamanaka, Hideaki; Kawabata, Kohji 7-Acylamino-3-vinylcephalosporanic acid derivatives Eur. Pat. Appl. (1981), EP 30630 A2 19810624.
[2] Kameyama, Yutaka; Yamada, Takae; Suh, Dal Soo Process for the preparation of 7-amino-3-cephem-4-carboxylic acid compounds from 7-(acylamino)-3-cephem-4-carboxylic acids PCT Int. Appl. (2000), WO 2000001703 A1 20000113.
[3] Prasad, Ashok; Prasad, Mohan Processes for the preparation of 7-amino-3-vinylcephalosporanic acid PCT Int. Appl. (2007), WO 2007013043 A2 20070201.
[4] Chao, Mingyong; Hao, Aiyou An Improved and Scaleable Preparation of 7-Amino-3-vinylcephem-4-carboxylic acid Organic Process Research & Development (2009), 13(5), 924-927.

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Warning

Hazard Statements
H315; H319; H335

Precautionary Statements
P261; P264; P271; P280; P302+P352; P304+P340; P305+P351+P338; P312; P321; P332+P313; P337+P313; P362; P403+P233; P405; P501

Current as of April 20, 2024

AKSci Reference Standards are high-purity, low-impurity compounds suitable for use as standards.


Download SDS Request COA

All products are stocked and shipped from San Francisco Bay Area, California, USA.

⚠️
All products are for research and development use only, not for any other uses, and must be handled by technically-qualified persons.

These products are explicitly not intended to be used in foods and/or cosmetics and/or drugs (human and veterinary) and/or consumer products and/or biocides and/or pesticides of any kind unless explicitly stated otherwise.

Products are not sold to individuals. We do not ship to residential addresses. Consumer orders will be cancelled without notice.

New customers undergo an internal onboarding process. As part of this process, new customers may be asked for more information. Additional restrictions may apply.


CATEGORIES
 APIs and Bioactives > Cephalosporins


PubChem