Welcome to LookChem.com Sign In|Join Free

CAS

  • or

74207-91-3

Post Buying Request

74207-91-3 Suppliers

Recommended suppliersmore

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

74207-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74207-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,0 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74207-91:
(7*7)+(6*4)+(5*2)+(4*0)+(3*7)+(2*9)+(1*1)=123
123 % 10 = 3
So 74207-91-3 is a valid CAS Registry Number.

74207-91-3Relevant articles and documents

Syntheses of o-Aminohetarenecarbaldehydes via Azides

Becher, Jan,Pluta, Krystian,Krake, Niels,Broendum, Klaus,Christensen, Nils Just,Vinader, Maria Victoria

, p. 530 - 533 (2007/10/02)

o-Chlorohetarenecarbaldehydes react with sodium azide at low temperature yielding moderately stable o-azidohetarenecarbaldehydes.With hydrogen sulfide these compounds are reduced to the corresponding stable o-amino aldehydes.Both reaction steps give high

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 74207-91-3