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142687-80-7

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142687-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142687-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,8 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142687-80:
(8*1)+(7*4)+(6*2)+(5*6)+(4*8)+(3*7)+(2*8)+(1*0)=147
147 % 10 = 7
So 142687-80-7 is a valid CAS Registry Number.

142687-80-7Relevant articles and documents

Isomerically pure 2-piperidone compounds

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, (2008/06/13)

The present invention relates to intermediates useful in the process for the preparation of a compound of the formula: STR1 wherein R2a is hydrogen or loweralkyl, R2b is hydrogen, loweralkyl, cycloalkyl or phenyl and R1 is loweralkyl, cycloalky, cycloalkylalkyl, phenyl or benzyl. These intermediates are compounds of the formula: STR2 wherein R1, R2a and R2b are defined as above.

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