Welcome to LookChem.com Sign In|Join Free

CAS

  • or

137649-81-1

Post Buying Request

137649-81-1 Suppliers

Recommended suppliersmore

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

137649-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137649-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,4 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137649-81:
(8*1)+(7*3)+(6*7)+(5*6)+(4*4)+(3*9)+(2*8)+(1*1)=161
161 % 10 = 1
So 137649-81-1 is a valid CAS Registry Number.

137649-81-1Downstream Products

137649-81-1Relevant articles and documents

Pinacol Homocoupling of (S)-2- Aldehydes by 2. Synthesis of C2-Symmetric (1S,2R,3R,4S)-1,4-Diamino 2,3-Diols

Konradi, Andrei W.,Pedersen, Steven F.

, p. 28 - 32 (2007/10/02)

Six (S)-2- aldehydes 3a-f were homocoupled by 2 (1) to give C2-symmetric (1S,2R,3R,4S)-1,4-bis 2,3-diols 4a-f in good yield.High-yield conversions of the diols to biso

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 137649-81-1