Welcome to LookChem.com Sign In|Join Free

CAS

  • or

104184-40-9

Post Buying Request

104184-40-9 Suppliers

Recommended suppliersmore

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

104184-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104184-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,8 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104184-40:
(8*1)+(7*0)+(6*4)+(5*1)+(4*8)+(3*4)+(2*4)+(1*0)=89
89 % 10 = 9
So 104184-40-9 is a valid CAS Registry Number.

104184-40-9Upstream product

104184-40-9Downstream Products

104184-40-9Relevant articles and documents

Preparation of α,β-diaminoacrylonitriles

-

, (2008/06/13)

α,β-Diaminoacrylonitriles of the general formula I where R1, R2 and R3 are identical or different and independently of one another are each hydrogen, alkyl, cycloalkyl, aralkyl, aryl or a heterocyclic radical, and the organic radicals R2 may furthermore be bonded to one another to form a 6-membered or 7-membered ring, or R2 and R3 may be bonded to one another to form a 5-membered or 6-membered ring, are prepared by reacting an α-dicarbonyl compound R1 COCHO, or a reactive derivative of this with (a) a salt of sulfurous acid or sulfur dioxide, (b) an amine HNR2 R3 or an aliphatic diamine R3 HN-(CH2)n NHR3 where n is 2 or 3 and (c) hydrocyanic acid or a hydrocyanic acid donor in any sequence.

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 104184-40-9