63994-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63994-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,9 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63994-91:
(7*6)+(6*3)+(5*9)+(4*9)+(3*4)+(2*9)+(1*1)=172
172 % 10 = 2
So 63994-91-2 is a valid CAS Registry Number.
63994-91-2Relevant articles and documents
Process for the preparation of 3,4-dihydroisoquinoline
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, (2008/06/13)
The invention relates to a process for the preparation of 3,4-dihydroisoquinoline by dehydrogenation of the 1,2,3,4-tetrahydroisoquinoline with elemental sulphur.