104556-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104556-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,5,5 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104556-50:
(8*1)+(7*0)+(6*4)+(5*5)+(4*5)+(3*6)+(2*5)+(1*0)=105
105 % 10 = 5
So 104556-50-5 is a valid CAS Registry Number.
104556-50-5Relevant articles and documents
A New General Synthesis of Hydroxy- and Methoxy-isoflavones
Jain, Amolak C.,Mehta, Anita
, p. 215 - 220 (2007/10/02)
A new general synthesis of hydroxy- (5e-h) and methoxy- (5e-d) isoflavones has been accomplished in overall yields of 47-73percent from the corresponding 2-hydroxydeoxybenzoins (1a-h).The first step involves reaction with appropriate amounts of ethoxymeth
