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104197-95-7

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104197-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104197-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,9 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 104197-95:
(8*1)+(7*0)+(6*4)+(5*1)+(4*9)+(3*7)+(2*9)+(1*5)=117
117 % 10 = 7
So 104197-95-7 is a valid CAS Registry Number.

104197-95-7Relevant articles and documents

ENANTIOSELECTIVE SYNTHESIS OF OPTICALLY PURE S-ISOSERINE

Solladie-Cavallo, A.,Khiar, N.

, p. 2189 - 2192 (1988)

KF-promoted addition of nitromethane on (-)-8-phenylmethyl glyoxylate monohydrate affords, after one purification, optically pure (-)S isoserine in about 50percent yield.

PREPARATION OF THREE DIASTEREOISOMERS OF 2-(1-METHYL-1-PHENYLETHYL)-5-METHYLCYCLOHEXAN-1-OL FROM (R)-(+)-PULEGONE

Cervinka, Otakar,Svatos, Ales,Masojidkova, Milena

, p. 491 - 498 (2007/10/02)

New isolation of (1R,2S,5R)-(-)-2-(1-methyl-1-phenylethyl)-5-methylcyclohexan-1-ol ((-)-8-phenylmenthol, Ia), prepared from (R)-(+)-pulegone, is described.The method consists in the preparation of phenylcarbamate of Ia and its transesterification with ethanol.Further two diastereoisomers of (-)-8-phenylmenthol were isolated: the (1S,2R,5R)-isomer IIa and the (1R,2R,5R)-isomer IIIa.Compounds Ia, IIa and IIIa were converted into their respective glyoxylates Ic, IIc and IIIc.

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