Welcome to LookChem.com Sign In|Join Free
  • or
Benzene, 1,1'-(4,4-dichloro-1,2,3-butatrienylidene)bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138869-20-2

Post Buying Request

138869-20-2 Suppliers

Recommended suppliers

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

138869-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138869-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,6 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138869-20:
(8*1)+(7*3)+(6*8)+(5*8)+(4*6)+(3*9)+(2*2)+(1*0)=172
172 % 10 = 2
So 138869-20-2 is a valid CAS Registry Number.

138869-20-2Downstream Products

138869-20-2Relevant academic research and scientific papers

Reaction of Dichlorocarbene with Sterically Protected Phosphabutatriene. Formation of a Stable Dimethylenephosphirane

Toyota, Kozo,Yoshimura, Hideki,Uesugi, Takahiko,Yoshifuji, Masaaki

, p. 6879 - 6882 (1991)

The reaction of dichlorocarbene with 4,4-diphenyl-1-(2,4,6-tri-t-butylphenyl)-1-phosphabutatriene gave 2-dichloromethylene-3-diphenylmethylene-1-(2,4,6-tri-t-butylphenyl)-1-phosphirane via 2,2-dichloro-3-(2,2-diphenylethenylidene)-1-(2,4,6-tri-t-butylphenyl)-1-phosphirane. Keywords: dichlorocarbene; phosphabutatriene; phospharadialene; phosphirane; steric protection

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 138869-20-2