Welcome to LookChem.com Sign In|Join Free

CAS

  • or

37904-21-5

Post Buying Request

37904-21-5 Suppliers

Recommended suppliersmore

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

37904-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37904-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,9,0 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 37904-21:
(7*3)+(6*7)+(5*9)+(4*0)+(3*4)+(2*2)+(1*1)=125
125 % 10 = 5
So 37904-21-5 is a valid CAS Registry Number.

37904-21-5Relevant articles and documents

Synthesis, characterization crystal structures and DNA binding studies of zinc complexes with oxygen and nitrogen donor ligands

Mehr-un-Nisa,Sirajuddin, Muhammad,Ali, Saqib,Tahir, Muhammad Nawaz,Iqbal, Muhammad

, (2019/12/26)

Three zinc metal complexes viz, [Zn(L1)2phen] (1), [Zn2(L2)4(bipy)2] (2) and [Zn(L2)2bipy·H2O] (3) where HL1 = 4-(o-toluidino)-4-oxobutanoic acid

Alizarin red S-TiO2-catalyzed cascade C(sp3)-H to C(sp2)-H bond formation/cyclization reactions toward tetrahydroquinoline derivatives under visible light irradiation

Hosseini-Sarvari, Mona,Koohgard, Mehdi,Firoozi, Somayeh,Mohajeri, Afshan,Tavakolian, Hosein

supporting information, p. 6880 - 6888 (2018/05/04)

A very low amount of organic dye (Alizarin red S) sensitized TiO2 and it was successfully used to catalyze cascade C(sp3)-H to C(sp2)-H bond formation/cyclization reactions under visible light irradiation. The modified TiO2 photocatalyst efficiently, for the first time, advanced [4+2] cyclization of N,N-dimethylanilines and maleimides to the corresponding tetrahydroquinolines in air atmosphere. The reaction proceeds through α-amino radicals without additional oxidant at ambient temperature to afford products in good to excellent yields.

Graphene Oxide as a Carbocatalyst for a Diels–Alder Reaction in an Aqueous Medium

Girish, Yarabhally R.,Pandit, Subrata,Pandit, Subhendu,De, Mrinmoy

supporting information, p. 2393 - 2398 (2017/09/11)

The Diels–Alder (DA) reaction, a [4+2] cycloaddition reaction, is highly important in synthetic organic chemistry and is frequently used in the synthesis of natural products containing six-membered rings. Herein, we report an efficient protocol for the DA reaction between 9-hydroxymethylanthracene and N-substituted maleimides using two-dimensional graphene oxide (GO) as a heterogeneous carbocatalyst in an aqueous medium at room temperature. High yields, a wide substrate scope, low temperature, excellent functional group tolerance, atom economy, and water as a green solvent are noteworthy features of this protocol. The heterogeneous GO catalyst can be easily recovered and used multiple times without any significant loss in catalytic activity.

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 37904-21-5