136054-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136054-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,0,5 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136054-89:
(8*1)+(7*3)+(6*6)+(5*0)+(4*5)+(3*4)+(2*8)+(1*9)=122
122 % 10 = 2
So 136054-89-2 is a valid CAS Registry Number.
136054-89-2Relevant articles and documents
A modified synthesis of 2-styrylchromones
Makrandi, J. K.,Seema
, p. 788 - 789 (2007/10/02)
2-Hydroxy-ω-cinnamylideneacetophenones (3a-e) have been obtained by condensation of 2-hydroxyacetophenones (1) with cinnamaldehyde (2) in the presence of barium hydroxide.Oxidative cyclisation of the compounds 3a-e with iodine in dimethyl sulphoxide provi