Welcome to LookChem.com Sign In|Join Free

CAS

  • or

104720-90-3

Post Buying Request

104720-90-3 Suppliers

Recommended suppliersmore

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

104720-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104720-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,2 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104720-90:
(8*1)+(7*0)+(6*4)+(5*7)+(4*2)+(3*0)+(2*9)+(1*0)=93
93 % 10 = 3
So 104720-90-3 is a valid CAS Registry Number.

104720-90-3Relevant articles and documents

ASYMMETRIC ALDOL REACTION OF AMIDE ENOLATES BEARING trans-2,5-DISUBSTITED PYRROLIDINES AS CHIRAL AUXILIARIES

Katsuki, Tsutomu,Yamaguchi, Masaru

, p. 5807 - 5810 (1985)

Condensation of aldehydes with Zr enolate of chiral N-propionyl-trans-2,5-disubstituted pyrrolidine proceeded with high diastereo- and diastereofaceselection.Stereoselectivity in the reaction of the corresponding N-acetyl compounds was also examined.

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 104720-90-3