Welcome to LookChem.com Sign In|Join Free

CAS

  • or

119771-49-2

Post Buying Request

119771-49-2 Suppliers

Recommended suppliersmore

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

119771-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119771-49-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,7,7 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 119771-49:
(8*1)+(7*1)+(6*9)+(5*7)+(4*7)+(3*1)+(2*4)+(1*9)=152
152 % 10 = 2
So 119771-49-2 is a valid CAS Registry Number.

119771-49-2Downstream Products

119771-49-2Relevant articles and documents

Synthesis of Spiro Indolin-2-one Derivatives

El-Ahl, Abdel Asis S.,Afeefy, Hussein,Metwally, Mohamed Abbas

, p. 201 - 222 (2007/10/02)

The reactions of active methylene compounds and hydrazine with (2-oxoindolin-3-ylidene)-malononitrile and -acetophenone in ethanol/piperidine have been studied.Both substances gave Michael-type adducts followed by cyclization.The structures of the products were determined from the results of elemental analysis, IR, 1H-NMR and mass spectra.

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

What can I do for you?
Get Best Price

Get Best Price for 119771-49-2