Welcome to LookChem.com Sign In|Join Free

CAS

  • or

4148-70-3

Post Buying Request

4148-70-3 Suppliers

Recommended suppliersmore

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

4148-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4148-70-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,4 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4148-70:
(6*4)+(5*1)+(4*4)+(3*8)+(2*7)+(1*0)=83
83 % 10 = 3
So 4148-70-3 is a valid CAS Registry Number.

4148-70-3Relevant articles and documents

LEWIS-ACID-CATALYSED ISOMERISATION OF BENZYLIDENE ACETALS OF METHYL α-L-RHAMNOPYRANOSIDE AND METHYL β-L-ARABINOPYRANOSIDE DERIVATIVES

Harangi, Janos,Liptak, Andras,Olah, V. Anna,Nanasi, Pal

, p. 165 - 172 (2007/10/02)

The Lewis-acid-catalysed isomerisation of several derivatives of methyl 2,3-O-benzylidene-α-L-rhamnopyranoside and methyl 3,4-O-benzylidene-β-L-arabinopyranoside has been investigated.The presence of equatorial substituents vicinal to the benzylidene ring decreases the rate of isomerisation, and exo isomers isomerise more quickly than the corresponding endo isomers.The occurence of isomerisation during the reductive cleavage reaction of acetal rings with LiAlH4-AlCl3 has been demonstrated.

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 4148-70-3