104574-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104574-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,5,7 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 104574-73:
(8*1)+(7*0)+(6*4)+(5*5)+(4*7)+(3*4)+(2*7)+(1*3)=114
114 % 10 = 4
So 104574-73-4 is a valid CAS Registry Number.
104574-73-4Relevant articles and documents
1,3-DIPHOSPHA-1,3-BUTADIENE
Appel, Rolf,Foelling, Peter,Schuhn, Winfried,Knoch, Falk
, p. 1661 - 1664 (1986)
The first stable acyclic 1,3-diphosphabutadiene was prepared by reaction of phosphaalkene 2 with 2,4,6-tri-tert-butylphenylphosphaketene 1.