21489-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21489-75-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21489-75:
(7*2)+(6*1)+(5*4)+(4*8)+(3*9)+(2*7)+(1*5)=118
118 % 10 = 8
So 21489-75-8 is a valid CAS Registry Number.
21489-75-8Relevant articles and documents
Process for the preparation of 2-amino-5,6-dimethoxy-tetralin
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, (2008/06/13)
A process is disclosed for the preparation of 2-amino-5,6-dimethoxy-tetralin, which is a useful intermediate for the preparation of pharmacologically active chemical compounds.