Welcome to LookChem.com Sign In|Join Free
  • or
(Z)-1,2-dibromo-3-phenyl-2-butene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21003-55-4

Post Buying Request

21003-55-4 Suppliers

Recommended suppliers

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

21003-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21003-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,0 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21003-55:
(7*2)+(6*1)+(5*0)+(4*0)+(3*3)+(2*5)+(1*5)=44
44 % 10 = 4
So 21003-55-4 is a valid CAS Registry Number.

21003-55-4Upstream product

21003-55-4Downstream Products

21003-55-4Relevant academic research and scientific papers

Palladium-catalyzed 1,2-oxidation of allenes

Baeckvall, Jan-E,Jonasson, Catrin

, p. 291 - 294 (1997)

Palladium-catalyzed oxidation of allenes with palladium acetate as the catalyst and p-benzoquinone as the oxidant in the presence of lithium bromide afforded 1,2-dibromides in a regioselective reaction. The reaction proceeds via a (π-allyl)palladium inter

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 21003-55-4