Welcome to LookChem.com Sign In|Join Free

CAS

  • or

133436-18-7

Post Buying Request

133436-18-7 Suppliers

Recommended suppliersmore

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

133436-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133436-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,4,3 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133436-18:
(8*1)+(7*3)+(6*3)+(5*4)+(4*3)+(3*6)+(2*1)+(1*8)=107
107 % 10 = 7
So 133436-18-7 is a valid CAS Registry Number.

133436-18-7Relevant articles and documents

2-Arylindoles: A new entry to transition metal-free synthesis of 2-aminobenzophenones

Yu, Jin,Moon, Hye Ran,Min, Beom Kyu,Kim, Jae Nyoung

, p. 893 - 897 (2016)

Various 2-aminobenzophenones were synthesized from readily available 2-arylindoles in DMSO under O2 balloon atmosphere. The synthesis was carried out without the aid of a transition metal catalyst or moisture-sensitive organometallic reagents from 2-arylindoles.

Tetrazoles: XXXV. Synthesis of 3H-1,3,4-Benzotriazepines from 5-Aryltetrazoles

Artamonova,Koldobskii

, p. 1767 - 1770 (2007/10/03)

Reaction of 5-aryltetrazoles with N,N′-bis(p-tolyl)terephthalimidoyl dichloride under conditions of phase-transfer catalysis yields isomeric N-imidoyltetrazoles whose thermolysis results in formation of 3H-1,3,4-benzotriazepines. The latter are hydrolyzed by the action of hydrochloric acid to afford terephthalic acid and the corresponding aminobenzophenone.

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 133436-18-7