Welcome to LookChem.com Sign In|Join Free
  • or
1,4-Dioxaspiro[4.5]decane, 7-(3-methyl-2-butenyl)-7-(phenylsulfonyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138832-40-3

Post Buying Request

138832-40-3 Suppliers

Recommended suppliers

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

138832-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138832-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,3 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138832-40:
(8*1)+(7*3)+(6*8)+(5*8)+(4*3)+(3*2)+(2*4)+(1*0)=143
143 % 10 = 3
So 138832-40-3 is a valid CAS Registry Number.

138832-40-3Relevant academic research and scientific papers

An improved method for the syntheses of β-substituted cyclohexenones

Huang,Zhou

, p. 2369 - 2376 (2007/10/02)

An improved method for the preparation of β-substituted cyclohexenones is reported. Conditions were defined to effectuate the key desulfonylation-deketalization step in a mild manner. Several cyclohexenones bearing acid and/or base sensitive β-substituents were prepared by the modified method in moderate to good yields.

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 138832-40-3