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1628058-67-2

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1628058-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1628058-67-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,8,0,5 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1628058-67:
(9*1)+(8*6)+(7*2)+(6*8)+(5*0)+(4*5)+(3*8)+(2*6)+(1*7)=182
182 % 10 = 2
So 1628058-67-2 is a valid CAS Registry Number.

1628058-67-2Relevant academic research and scientific papers

Prins spirocyclization for the synthesis of spiro[isobenzofuran-pyran] derivatives

Reddy, B. V. Subba,Kumar, Harish,Reddy, P. Sivaramakrishna,Singarapu, Kiran Kumar

, p. 4234 - 4238 (2014/07/21)

A Prins cascade process was developed for the synthesis of tetrahydro-3H-spiro[isobenzofuran-pyran] derivatives in good yields and selectivity by the condensation of 3-[2-(hydroxymethyl)phenyl]but-3-en-1-ols with aldehydes or ketones. The reaction proceeds smoothly in the presence of indium(III) trifluoromethanesulfonate (30 mol-%) in dichloroethane at 80 C. This is the first report on the synthesis of tetrahydro-3H-spiro[isobenzofuran- pyran] scaffolds through a Prins cascade reaction. Copyright

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