119328-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119328-86-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,3,2 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 119328-86:
(8*1)+(7*1)+(6*9)+(5*3)+(4*2)+(3*8)+(2*8)+(1*6)=138
138 % 10 = 8
So 119328-86-8 is a valid CAS Registry Number.
119328-86-8Relevant articles and documents
Synthesis of 3,4-dihydro-2,2-dimethyl-2Hpyranoflavones
Kumar,Rajendra Prasad
, p. 158 - 160 (2007/10/03)
Treatment of 2-benzylidene derivatives 1a-k with potassium cyanide in ethanol furnish 3,4-dihydro-2,2-dimethyl-2H-pyranoflavones 2a-k in quantitative yield. The structures of the final products have been elucidated on the basis of spectral studies.