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90239-63-7

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90239-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90239-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,3 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90239-63:
(7*9)+(6*0)+(5*2)+(4*3)+(3*9)+(2*6)+(1*3)=127
127 % 10 = 7
So 90239-63-7 is a valid CAS Registry Number.

90239-63-7Relevant articles and documents

SELECTIVE REACTIONS IN THE SOLID STATE AND ORGANIC SOLID-SOLID REACTIONS

Toda, Fumio

, p. 41 - 48 (2007/10/02)

Since guest molecules in a host-guest complex are arranged regularly and are packed closely, reaction of the guest in the complex is expected to proceed selectively and efficiently in the solid state.When the host compound is chiral, reaction of the guest would proceed enantioselectively.Some such reactions were studied.Furthermore, some usual organic reactions were found to proceed in the solid state.In some cases, organic solid state reactions proceeded more selectively and much faster than in solution.Such solid-solid reactions were also investigated.

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