Welcome to LookChem.com Sign In|Join Free

CAS

  • or

1429924-47-9

Post Buying Request

1429924-47-9 Suppliers

Recommended suppliersmore

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

1429924-47-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1429924-47-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,9,2 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1429924-47:
(9*1)+(8*4)+(7*2)+(6*9)+(5*9)+(4*2)+(3*4)+(2*4)+(1*7)=189
189 % 10 = 9
So 1429924-47-9 is a valid CAS Registry Number.

1429924-47-9Relevant articles and documents

Selective synthesis of 1-substituted 4-chloropyrazolo[3,4-d]pyrimidines

Babu, Suresh,Morrill, Christie,Almstead, Neil G.,Moon, Young-Choon

supporting information, p. 1882 - 1885 (2013/06/05)

Strategies for carrying out the reaction of 4,6-dichloropyrimidine-5- carboxaldehyde with various hydrazines to generate 1-substituted 4-chloropyrazolo[3,4-d]pyrimidines in a selective and high-yielding manner are presented. For aromatic hydrazines, the reaction is performed in the absence of an external base, which promotes exclusive hydrazone formation. The hydrazones subsequently cyclize at an elevated temperature to form the desired pyrazolo[3,4-d]pyrimidine products. For aliphatic hydrazines, the reaction sequence proceeds as a single step in the presence of an external base.

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 1429924-47-9