Welcome to LookChem.com Sign In|Join Free

CAS

  • or

1276688-40-4

Post Buying Request

1276688-40-4 Suppliers

Recommended suppliersmore

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

1276688-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1276688-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,6,8 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1276688-40:
(9*1)+(8*2)+(7*7)+(6*6)+(5*6)+(4*8)+(3*8)+(2*4)+(1*0)=204
204 % 10 = 4
So 1276688-40-4 is a valid CAS Registry Number.

1276688-40-4Downstream Products

1276688-40-4Relevant articles and documents

Click-reagent version of sonogashira coupling protocol to conjugated fluorescent alkynes with no or reduced homocoupling

Bag, Subhendu Sekhar,Kundu, Rajen,Das, Manas

experimental part, p. 2332 - 2337 (2011/05/17)

A click-reagent version of the Sonogashira-coupling protocol has been developed. Diarylalkynes with donor and/or acceptor substituents have been synthesized via this protocol at moderate to excellent yields and with no or drastically reduced quantities of

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 1276688-40-4