Welcome to LookChem.com Sign In|Join Free

CAS

  • or

128176-32-9

Post Buying Request

128176-32-9 Suppliers

Recommended suppliersmore

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

128176-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128176-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,7 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128176-32:
(8*1)+(7*2)+(6*8)+(5*1)+(4*7)+(3*6)+(2*3)+(1*2)=129
129 % 10 = 9
So 128176-32-9 is a valid CAS Registry Number.

128176-32-9Downstream Products

128176-32-9Relevant articles and documents

Approach to the synthesis of nogalarol via the cycloaddition of a carbene-chromium complex with a functionalized alkyne

Semmelhack,Jeong, Nakcheol

, p. 605 - 608 (1990)

The alkyne, 4, prepared stereoselectively in 7 steps from acetyl furan, reacts with (methoxy)(phenyl)carbenepentacarbonylchromium(0), 15, to give the model (16) for nogalarol (1b) in 43% yield.

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 128176-32-9