85972-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85972-08-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,9,7 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 85972-08:
(7*8)+(6*5)+(5*9)+(4*7)+(3*2)+(2*0)+(1*8)=173
173 % 10 = 3
So 85972-08-3 is a valid CAS Registry Number.
85972-08-3Relevant articles and documents
A SIMPLE PREPARATION OF SEVERAL NEW 2,3- AND 1,2,3-SUBSTITUTED BUTA-1,3-DIENES FROM 1,4-DICHLOROBUTYNE
Bridges, Alexander J.,Fischer, John W.
, p. 445 - 446 (1983)
Addition of (pseudo) halogens across the triple bond of 1,4-dichlorobut-2-yne, followed by a 1,4-elimination, provides a very simple preparation of ten novel butadienes.