Welcome to LookChem.com Sign In|Join Free
  • or
8'-formyl-7'-hydroxy-3-methyl-4-oxo-3,4-dihydro-2H-1,3-benzoxazine-2-spiro-2'-[2H]chromene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

521270-67-7

Post Buying Request

521270-67-7 Suppliers

Recommended suppliers

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

521270-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 521270-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,2,7 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 521270-67:
(8*5)+(7*2)+(6*1)+(5*2)+(4*7)+(3*0)+(2*6)+(1*7)=117
117 % 10 = 7
So 521270-67-7 is a valid CAS Registry Number.

521270-67-7Upstream 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 521270-67-7