Welcome to LookChem.com Sign In|Join Free

CAS

  • or

522615-12-9

Post Buying Request

522615-12-9 Suppliers

Recommended suppliersmore

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

522615-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 522615-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,2,6,1 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 522615-12:
(8*5)+(7*2)+(6*2)+(5*6)+(4*1)+(3*5)+(2*1)+(1*2)=119
119 % 10 = 9
So 522615-12-9 is a valid CAS Registry Number.

522615-12-9Relevant articles and documents

Synthesis of tetronic acid derivatives from novel active esters of α-hydroxyacids

Mitsos, Christos,Zografos, Alexandros,Igglessi-Markopoulou, Olga

, p. 1201 - 1205 (2002)

Active esters, produced by condensation of O-acetyl protected α-hydroxyacids with N-hydroxysuccinimide, react with anions of active methylene compounds to afford β,β′-tricarbonyl derivatives which upon deprotection undergo cyclization to 3-alkoxycarbonyl

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 522615-12-9