133346-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133346-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,4 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133346-21:
(8*1)+(7*3)+(6*3)+(5*3)+(4*4)+(3*6)+(2*2)+(1*1)=101
101 % 10 = 1
So 133346-21-1 is a valid CAS Registry Number.
133346-21-1Relevant articles and documents
Syntheses of Flavonoids via the Isoxazoline Route
Almtorp, Gunvor T.,Bachmann, Torben L.,Torsell, Kurt B. G.
, p. 212 - 215 (2007/10/02)
Syntheses of naturally occuring 7-hydroxyflavonone, liquiritigenin and the corresponding chalcones (isoliquiritigenin) are described.