The CAS Registry Mumber 1142-80-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,4 and 2 respectively; the second part has 2 digits, 8 and 0 respectively. Calculate Digit Verification of CAS Registry Number 1142-80: (6*1)+(5*1)+(4*4)+(3*2)+(2*8)+(1*0)=49 49 % 10 = 9 So 1142-80-9 is a valid CAS Registry Number.
1142-80-9Upstream product
1142-80-9Downstream Products
1142-80-9Relevant articles and documents
The Schmidt reaction with some tetralone and indanone derivatives.
Minami,Tomita,Takamatsu,Uyeo
, p. 1084 - 1091 (2007/10/05)
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