Welcome to LookChem.com Sign In|Join Free

CAS

  • or

121662-66-6

Post Buying Request

121662-66-6 Suppliers

Recommended suppliersmore

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

121662-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121662-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,6 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121662-66:
(8*1)+(7*2)+(6*1)+(5*6)+(4*6)+(3*2)+(2*6)+(1*6)=106
106 % 10 = 6
So 121662-66-6 is a valid CAS Registry Number.

121662-66-6Relevant articles and documents

Synthesis of 4-Oxypterosin-E, a New Phenolic Indanone Norsesquiterpene

Raju, B.,Rao, G. S. Krishna

, p. 712 - 714 (2007/10/02)

The synthesis of 4-oxypterosin E (6), a phenolic indanone norsesquiterpene, is described.The synthesis starts from an ester-ether derivative (9) of the known 3-hydroxy-2,6-dimethyl-1-phenylacetic acid (8) and involves formylation, Horner reaction, hydrolysis, hydrogenation, cyclodehydration and demethylation in succession, as depicted by the sequence 9 -> 10 -> 11 -> 12 -> 13 -> 14 -> 6.

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 121662-66-6