Welcome to LookChem.com Sign In|Join Free

CAS

  • or

137831-90-4

Post Buying Request

137831-90-4 Suppliers

Recommended suppliersmore

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

137831-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137831-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,8,3 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137831-90:
(8*1)+(7*3)+(6*7)+(5*8)+(4*3)+(3*1)+(2*9)+(1*0)=144
144 % 10 = 4
So 137831-90-4 is a valid CAS Registry Number.

137831-90-4Relevant articles and documents

SYNTHESIS AND TRANSFORMATION OF POLYHEDRAL COMPOUNDS 12. STEVENS REARRANGEMENT IN THE AZAADAMANTANE SERIES

Minasyan, G. G.,Karapetyan, A. A.,Agandzhanyan, Ts. E.

, p. 534 - 537 (2007/10/02)

Some quaternary salts of 1,3-diaza- and 1,3,5-triazaadamantanes undergo the Stevens rearrangement to give derivatives of the corresponding 1,4-diaza- and 1,3,6-triazahomoadamantanes.The structures of the rearrangement products were proved by IR, PMR, and

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 137831-90-4