Welcome to LookChem.com Sign In|Join Free

CAS

  • or

226991-23-7

Post Buying Request

226991-23-7 Suppliers

Recommended suppliersmore

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

226991-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 226991-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,9 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 226991-23:
(8*2)+(7*2)+(6*6)+(5*9)+(4*9)+(3*1)+(2*2)+(1*3)=157
157 % 10 = 7
So 226991-23-7 is a valid CAS Registry Number.

226991-23-7Upstream product

226991-23-7Downstream Products

226991-23-7Relevant articles and documents

An Expedient Synthesis of N-Acceptor-Substituted 2,3-Dihydropyrrols from the Corresponding 2-Pyrrolidinones

Bach, Thorsten,Brummerhop, Harm

, p. 312 - 315 (2007/10/03)

The title compounds 1 were prepared from the corresponding N-acceptor substituted 2-methoxypyrrolidines 3 by elimination with trimethylsilyl trifluoromethanesulfonate (TMSOTf) and N,N-di-iso-propyl ethyl amine (6 exampies, 57-84% yield). The enantiomerica

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 226991-23-7