Welcome to LookChem.com Sign In|Join Free

CAS

  • or

1213744-20-7

Post Buying Request

1213744-20-7 Suppliers

Recommended suppliersmore

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

1213744-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1213744-20-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,7,4 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1213744-20:
(9*1)+(8*2)+(7*1)+(6*3)+(5*7)+(4*4)+(3*4)+(2*2)+(1*0)=117
117 % 10 = 7
So 1213744-20-7 is a valid CAS Registry Number.

1213744-20-7Downstream Products

1213744-20-7Relevant articles and documents

Di(1-naphthyl) methanol ester of carboxylic acids for absolute stereochemical determination

Zhang, Jun,Sheng, Wei,Gholami, Hadi,Nehira, Tatsuo,Borhan, Babak

, p. 141 - 146 (2018)

The absolute stereochemistry of chiral carboxylic acids is determined as a di(1-naphthyl)methanol ester derivative. Computational scoring of conformations favoring either P or M helicity of the naphthyl groups, capable of exciton-coupled circular dichroic coupling, leads to a predicted stereochemistry for the derivatized carboxylic acids.

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 1213744-20-7