146828-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146828-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,8,2 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 146828-61:
(8*1)+(7*4)+(6*6)+(5*8)+(4*2)+(3*8)+(2*6)+(1*1)=157
157 % 10 = 7
So 146828-61-7 is a valid CAS Registry Number.
146828-61-7Relevant articles and documents
Synthesis of 4-Oxo-3,4,5,6-Tetrahydrospiro(benzoquinazoline-5,1'-cyclohexane) Derivatives
Markosyan, A. I.,Oganisyan, M. G.,Kuroyan, R. A.
, p. 556 - 559 (2007/10/02)
The reaction of 4-acylamino-3-cyano-1,2-dihydrospiro(naphthalene-2,1'-cyclohexanes) with hydrogen chloride yields 2-substituted 4-oxo-3,4,5,6-tetrahydrospiro(benzoquinazoline-5,1'-cyclohexanes).It was found that when the latter are condensed with methy
