Welcome to LookChem.com Sign In|Join Free

CAS

  • or

13949-89-8

Post Buying Request

13949-89-8 Suppliers

Recommended suppliersmore

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

13949-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13949-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,4 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13949-89:
(7*1)+(6*3)+(5*9)+(4*4)+(3*9)+(2*8)+(1*9)=138
138 % 10 = 8
So 13949-89-8 is a valid CAS Registry Number.

13949-89-8Relevant articles and documents

Quinone-capped Porphyrins: Synthesis and some Chemical Properties

Ganesh, K. Nagappa,Sanders, Jeremy K. M.

, p. 1611 - 1616 (2007/10/02)

The 2,5-bis(hydroxyethyl) and 2,5-bis(hydroxypropyl) derivatives of hydroquinone bis(methoxymethyl) ether have been synthesised and used to 'cap' mesoporphyrin-II.Deprotection, oxidation, and metallation gave the title compounds.Several anomalous reactivi

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 13949-89-8