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1616729-45-3

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1616729-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1616729-45-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,7,2 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1616729-45:
(9*1)+(8*6)+(7*1)+(6*6)+(5*7)+(4*2)+(3*9)+(2*4)+(1*5)=183
183 % 10 = 3
So 1616729-45-3 is a valid CAS Registry Number.

1616729-45-3Relevant articles and documents

PREPARATION OF CHIRAL 1-METHYL-2,3,4,5-1H-BENZODIAZEPINES VIA ASYMMETRIC REDUCTION OF ALPHA-SUBSTITUTED STYRENES

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Page/Page column 57, (2015/01/07)

The present invention provides an asymmetric and economic synthesis of 8-chloro-1-methyl-2,3,4,5-tetrahydro-1 H-benzo[d]azepine via novel intermediates applying an asymmetric enzymatic, biomimetic or catalytic reduction. The present invention also provides a novel green asymmetric catalytic reduction adapted for an aqueous medium to be applied in the synthesis of 8-chloro-1-methyl-2,3,4,5-tetrahydro-1 H-benzo[d]azepine or novel intermediates.

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