Welcome to LookChem.com Sign In|Join Free
  • or
5-butyl-1-phenyl-1,3-dihydro-pyrrol-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

331994-09-3

Post Buying Request

331994-09-3 Suppliers

Recommended suppliers

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

331994-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331994-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,9,9 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 331994-09:
(8*3)+(7*3)+(6*1)+(5*9)+(4*9)+(3*4)+(2*0)+(1*9)=153
153 % 10 = 3
So 331994-09-3 is a valid CAS Registry Number.

331994-09-3Relevant academic research and scientific papers

Heterocyclization of derivatives of 4-oxoalkanoic acids to 1,5-disubstituted pyrrolin-2-ones

Egorova,Sedavkina,Timofeeva

, p. 694 - 697 (2007/10/03)

Conditions were developed for the synthesis and production of 1-aryl-5-alkyl(aryl)-3H- and 1-aryl-5-alkyl(aryl)-5H-pyrrolin-2-ones from the amides and esters of 4-oxoalkanoic acids. It was established that the yield and ratio of the 3H and 5H isomers depe

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1 Customer Service

What can I do for you?
Get Best Price

Get Best Price for 331994-09-3