Welcome to LookChem.com Sign In|Join Free

CAS

  • or

857768-18-4

Post Buying Request

857768-18-4 Suppliers

Recommended suppliersmore

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

857768-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857768-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,6 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857768-18:
(8*8)+(7*5)+(6*7)+(5*7)+(4*6)+(3*8)+(2*1)+(1*8)=234
234 % 10 = 4
So 857768-18-4 is a valid CAS Registry Number.

857768-18-4Relevant articles and documents

Preparation method of aromatic hydrocarbon compound

-

, (2020/12/30)

The invention relates to a preparation method of an aromatic hydrocarbon compound, and particularly discloses a preparation method of a compound as shown in a formula I. The preparation method comprises the following step: in trifluoroacetic acid, under the action of triethylsilane, carrying out a reduction reaction as shown in the specification on a compound as shown in a formula II. The invention further discloses a preparation method of the compound 1, wherein the preparation method is simple in raw material, simple and convenient to operate, low in equipment requirement, small in environmental pollution, low in cost and very suitable for industrial production.

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 857768-18-4