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609771-64-4

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609771-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 609771-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,9,7,7 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 609771-64:
(8*6)+(7*0)+(6*9)+(5*7)+(4*7)+(3*1)+(2*6)+(1*4)=184
184 % 10 = 4
So 609771-64-4 is a valid CAS Registry Number.

609771-64-4Relevant articles and documents

Stereospecific synthesis of amphetamines

Wagner, Jared M.,McElhinny Jr., Charles J.,Lewin, Anita H.,Carroll, F. Ivy

, p. 2119 - 2125 (2007/10/03)

Regioselective addition of aryl lithium to commercially available (S)-(+)-propylene oxide provides the corresponding (S)-aryl-2-propanol. The (R)-amphetamine is obtained by conversion of the alcohol to the tosylate followed by azide displacement and hydrogenation. Mitsunobu conversion of the alcohol to the (R)-bromide followed by azide displacement and hydrogenation affords the (S)-amphetamine.

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