Welcome to LookChem.com Sign In|Join Free

CAS

  • or

90204-88-9

Post Buying Request

90204-88-9 Suppliers

Recommended suppliersmore

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

90204-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90204-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,0 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90204-88:
(7*9)+(6*0)+(5*2)+(4*0)+(3*4)+(2*8)+(1*8)=109
109 % 10 = 9
So 90204-88-9 is a valid CAS Registry Number.

90204-88-9Downstream Products

90204-88-9Relevant articles and documents

Novel synthesis of pyridazino[4,5-b][1,4]oxazin-3,8-diones

Cho, Su-Dong,Song, Sang-Yong,Park, Yong-Dae,Kim, Jeum-Jong,Joo, Woo-Hong,Shiro, Motoo,Falck,Shin, Dong-Soo,Yoon, Yong-Jin

, p. 8995 - 8998 (2003)

A novel and effective synthesis of pyridazino[4,5-b][1,4]oxazin-3,8-diones via Smiles rearrangement is presented. Treatment of N-substituted 2-chloro(or hydroxy)acetamide, 2-tetrahydropyranyl-4-chloro-5-hydroxy(or chloro)pyridazin-3-one and cesium carbonate in refluxing acetonitrile was afforded the corresponding pyridazino[4,5-b][1,4]oxazin-3,8-diones in excellent yield.

UGI reaction with hydrazines, II

Zinner,Bock

, p. 933 - 943 (2007/10/04)

-

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 90204-88-9