81267-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81267-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,6 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81267-51:
(7*8)+(6*1)+(5*2)+(4*6)+(3*7)+(2*5)+(1*1)=128
128 % 10 = 8
So 81267-51-8 is a valid CAS Registry Number.
81267-51-8Relevant articles and documents
A Synthesis of Hydroxylated Isoflavylium Salts and Their Reduction Products
Liepa, Andris J.
, p. 2647 - 2655 (2007/10/02)
Phloroglucinol reacts with arylmalondialdehydes in the presence of hydrochloric acid to form 5,7-dihydroxyisoflavylium salts.Reduction of these salts can be utilized to form isoflav-2-enes, isoflav-3-enes or isoflavans.
