92549-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92549-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,5,4 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 92549-19:
(7*9)+(6*2)+(5*5)+(4*4)+(3*9)+(2*1)+(1*9)=154
154 % 10 = 4
So 92549-19-4 is a valid CAS Registry Number.
92549-19-4Relevant articles and documents
New procedures for the preparation of isoflavones with unsubstituted ring A
Levai,Sebok
, p. 1735 - 1750 (2007/10/02)
Isoflavones with unsubstituted ring A have been synthesized either by the ring closure of 2-hydroxydeoxybenzoins or by the dehydroxylation of 7-hydroxyisoflavones. 7-Mercaptoisoflavones have also been prepared.
