Welcome to LookChem.com Sign In|Join Free

CAS

  • or

81699-88-9

Post Buying Request

81699-88-9 Suppliers

Recommended suppliersmore

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

81699-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81699-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81699-88:
(7*8)+(6*1)+(5*6)+(4*9)+(3*9)+(2*8)+(1*8)=179
179 % 10 = 9
So 81699-88-9 is a valid CAS Registry Number.

81699-88-9Relevant articles and documents

A new synthesis of α-phenylseleno esters and acids from terminal alkynes

Tiecco, Marcello,Testaferri, Lorenzo,Temperini, Andrea,Bagnoli, Luana,Marini, Francesca,Santi, Claudio

, p. 706 - 708 (2007/10/03)

Alkynyl phenyl selenides, easily prepared from terminal alkynes, react with p-toluenesulfonic acid to afford (Z)-α-(phenylseleno)vinyl p-toluenesulfonates. The reactions of these compounds with phenylselenenyl sulfate in the presence of alcohols or water

THE REACTION OF TERMINAL ALKYNES WITH THE REAGENT PREPARED FROM BENZENESELENENYL BROMIDE AND SILVER NITRITE. NOVEL EFFICIENT SYNTHESIS OF 1-ALKYNYL PHENYL SELENIDES

Hayama, Takashi,Tomoda, Shuji,Takeuchi, Yoshito,Nomura, Yujiro

, p. 1249 - 1250 (2007/10/02)

1-Alkynyl phenyl selenides were synthesized in good yields by the reaction of 1-alkynes with a new reagent prepared from benzeneselenenyl bromide and silver nitrite.

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 81699-88-9