Welcome to LookChem.com Sign In|Join Free
  • or
3-chloro-2-phenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1639808-85-7

Post Buying Request

1639808-85-7 Suppliers

Recommended suppliers

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

1639808-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1639808-85-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,9,8,0 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1639808-85:
(9*1)+(8*6)+(7*3)+(6*9)+(5*8)+(4*0)+(3*8)+(2*8)+(1*5)=217
217 % 10 = 7
So 1639808-85-7 is a valid CAS Registry Number.

1639808-85-7Relevant academic research and scientific papers

Synthesis of polysubstituted pyrazolo[3,4-b]pyridine-3-carbohydrazide and pyrazolo[3,4-d]pyridazine derivatives

Bhavsar, Dinesh C.,Nikam, Prashant S.,Gangurde, Sachin A.,Toche, Raghunath B.

, p. 635 - 641 (2014)

5-Amino-4-formyl pyrazole carboxylate gave facile reactions with malononitrile, hydrazine, and ketones in the presence of piperidine furnished substituted pyrazolo[3,4-b]pyridines and pyrazolo[3,4-b]quinolones. The pyridazine sulfonamides were obtained by the reaction of 5-chloro 4-formyl pyrazole carboxylate with sulfonamide derivatives.

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 Customer Service

What can I do for you?
Get Best Price

Get Best Price for 1639808-85-7