Welcome to LookChem.com Sign In|Join Free
  • or
"6,8-Dichloro-5-hydroxy-6'-methoxy-7-methyl-4,4'-dioxospiro[4H-1,3-benzodioxin-2,1'-[2,5]cyclohexadiene]-2'-carboxylic acid methyl ester" is a complex organic compound with a molecular formula of C15H14Cl2O7. It is characterized by the presence of two chlorine atoms at the 6th and 8th positions, a hydroxyl group at the 5th position, a methoxy group at the 6'th position, and a methyl group at the 7th position. The compound features a spiro structure, which connects a 4H-1,3-benzodioxin and a [2,5]cyclohexadiene ring system. The carboxylic acid group at the 2'th position is esterified with a methyl group, making it a methyl ester. This chemical is known for its potential applications in pharmaceuticals and agrochemicals due to its unique structure and properties.

428-21-7

Post Buying Request

428-21-7 Suppliers

Recommended suppliers

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

428-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 428-21-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 428-21:
(5*4)+(4*2)+(3*8)+(2*2)+(1*1)=57
57 % 10 = 7
So 428-21-7 is a valid CAS Registry Number.

428-21-7Upstream product

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 Customer Service

What can I do for you?
Get Best Price

Get Best Price for 428-21-7