300543-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300543-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,5,4 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 300543-61:
(8*3)+(7*0)+(6*0)+(5*5)+(4*4)+(3*3)+(2*6)+(1*1)=87
87 % 10 = 7
So 300543-61-7 is a valid CAS Registry Number.
300543-61-7Relevant articles and documents
Synthesis of ionone and methylionone analogues from delta-pyronene
Lambertin, Frederic,Taran, Martine,Delmond, Bernard
, p. 302 - 303 (2007/10/03)
'Iso'-beta-ionone and 'iso'-beta-isomethylionone have been prepared from delta-pyronene via 1,6,6-trimethyl-2-methylene cyclohexan-1-ol.
