Welcome to LookChem.com Sign In|Join Free

CAS

  • or

1620159-92-3

Post Buying Request

1620159-92-3 Suppliers

Recommended suppliersmore

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

1620159-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620159-92-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,1,5 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1620159-92:
(9*1)+(8*6)+(7*2)+(6*0)+(5*1)+(4*5)+(3*9)+(2*9)+(1*2)=143
143 % 10 = 3
So 1620159-92-3 is a valid CAS Registry Number.

1620159-92-3Downstream Products

1620159-92-3Relevant articles and documents

Regioselective synthesis of polysubstituted 4H-thiopyrans from β-oxodithioesters

Madabhushi, Sridhar,Kurva, Srinivas,Vangipuram, Venkata Sairam,Sriramoju, Vinodkumar,Mallu, Kishore Kumar Reddy,Nanubolu, Jagadeesh Babu

, p. 4382 - 4385 (2014)

A simple and efficient method for the synthesis of polyfunctionalized 4H-thiopyrans by highly regioselective cyclocondensation of β- oxodithioesters with 1,1,3-trialkyl or aryl substituted prop-2-yn-1-ols using BF3·Et2O as the catalyst is described.

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 1620159-92-3