Welcome to LookChem.com Sign In|Join Free

CAS

  • or

98057-69-3

Post Buying Request

98057-69-3 Suppliers

Recommended suppliersmore

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

98057-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98057-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,5 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98057-69:
(7*9)+(6*8)+(5*0)+(4*5)+(3*7)+(2*6)+(1*9)=173
173 % 10 = 3
So 98057-69-3 is a valid CAS Registry Number.

98057-69-3Relevant articles and documents

1,3-Oxazines and Related Compounds. X. Ring Transformation of 1,3-Oxazin-4-ones into Pyridine Derivatives

Yamamoto, Yutaka,Morita, Yasuo

, p. 975 - 981 (2007/10/02)

Ring transformations of 2-aryl-6-methyl-4H-1,3-oxazin-4-ones (1-3) with carbanions derived from various ketones, esters, lactones and nitriles to give 3-acetyl-4,5,6-trisubstituted-2-pyridone derivatives 12 were explored. 1,3-Oxazin-4-ones (1-3) underwent

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 98057-69-3