17521-01-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17521-01-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,2 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17521-01:
(7*1)+(6*7)+(5*5)+(4*2)+(3*1)+(2*0)+(1*1)=86
86 % 10 = 6
So 17521-01-6 is a valid CAS Registry Number.
17521-01-6Relevant articles and documents
1,2-DERIVATIVES OF ACENAPHTHYLENE XII. DEBROMINATION OF HALOGEN-SUBSTITUTED E-1,2-DIBROMOACENAPHTHENES
Anikin, V.F.,Fadel, M.A.
, p. 286 - 289 (2007/10/02)
The debromination of 5-, 5,6-, and 3,5,6-halogen-substituted E-1,2-dibromoacenaphthenes with zinc dust in acetic acid gives 88-99percent yields of the respective halogen-substituted acenaphthylenes.