104736-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104736-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,3 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104736-20:
(8*1)+(7*0)+(6*4)+(5*7)+(4*3)+(3*6)+(2*2)+(1*0)=101
101 % 10 = 1
So 104736-20-1 is a valid CAS Registry Number.
104736-20-1Relevant articles and documents
(1.1.1.1.1)PARACYCLOPHANE AND (1.1.1.1.1.1)PARACYCLOPHANE
Gribble, Gordon W.,Nutaitis, Charles F.
, p. 6023 - 6026 (2007/10/02)
The first syntheses of (1.1.1.1.1)paracyclophane (1) and (1.1.1.1.1.1)paracyclophane (2) are described, featuring a trifluoroacetic acid promoted Friedel-Crafts cycloalkylation as the final step.