Welcome to LookChem.com Sign In|Join Free

CAS

  • or

438187-09-8

Post Buying Request

438187-09-8 Suppliers

Recommended suppliersmore

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

438187-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 438187-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,1,8 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 438187-09:
(8*4)+(7*3)+(6*8)+(5*1)+(4*8)+(3*7)+(2*0)+(1*9)=168
168 % 10 = 8
So 438187-09-8 is a valid CAS Registry Number.

438187-09-8Relevant articles and documents

Total synthesis and stereochemical assignment of the salicylate antitumor macrolide lobatamide C

Shen, Ruichao,Lin, Cheng Ting,Porco Jr., John A.

, p. 5650 - 5651 (2002)

The total synthesis and stereochemical assignment of the potent antitumor macrolide lobatamide C is reported. The synthesis involves Cu(I)-mediated enamide formation and Na2CO3-mediated esterification of a β-hydroxy acid and a salicylate cyanomethyl ester. Macrolactonization was accomplished using a Mitsunobu protocol. The stereochemical assignment of lobatamide C was achieved by Mosher ester analysis and comparison with prepared stereoisomers. Copyright

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 438187-09-8