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129180-91-2

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129180-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129180-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,8 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129180-91:
(8*1)+(7*2)+(6*9)+(5*1)+(4*8)+(3*0)+(2*9)+(1*1)=132
132 % 10 = 2
So 129180-91-2 is a valid CAS Registry Number.

129180-91-2Downstream Products

129180-91-2Relevant articles and documents

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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