Welcome to LookChem.com Sign In|Join Free

CAS

  • or

87544-37-4

Post Buying Request

87544-37-4 Suppliers

Recommended suppliersmore

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

87544-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87544-37-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,4 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87544-37:
(7*8)+(6*7)+(5*5)+(4*4)+(3*4)+(2*3)+(1*7)=164
164 % 10 = 4
So 87544-37-4 is a valid CAS Registry Number.

87544-37-4Relevant articles and documents

A SPECIAL CASE OF KNOEVENAGEL CONDENSATION: BASE-CATALIZED INTRAMOLECULAR CYCLIZATION OF N1-ACYL-N3-CARBALKOXY-METHYL-THIOUREAS

Viski, P.,Zubovics, Z.,Toldy, L.,Sohar, P.,Dvortsak, P.

, p. 323 - 334 (2007/10/02)

Thioureas of type I undergo intramolecular Knoevenagel condensation under basic conditions, when the amide carbonyl and the active methylene group react to form a double bond.Previously unknown 4-imidazoline-2-thion-5-carboxylic acids have been prepared by this reaction in high 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

What can I do for you?
Get Best Price

Get Best Price for 87544-37-4