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1558817-06-3

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1558817-06-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1558817-06-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,8,8,1 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1558817-06:
(9*1)+(8*5)+(7*5)+(6*8)+(5*8)+(4*1)+(3*7)+(2*0)+(1*6)=203
203 % 10 = 3
So 1558817-06-3 is a valid CAS Registry Number.

1558817-06-3Downstream Products

1558817-06-3Relevant articles and documents

PROCESS FOR THE MANUFACTURE OF ISAVUCONAZOLE OR RAVUCONAZOLE

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Paragraph 0076-0081, (2019/03/30)

The invention relates to a process for the manufacture of diastereomerically and enantiomerically enriched triazole compounds isavuconazole and ravuconazole, comprising a Reformatsky reaction between a ketone and a 2-halozincpropionate ester, followed by

PROCESS FOR THE MANUFACTURE OF ISAVUCONAZOLE OR RAVUCONAZOLE

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Page/Page column 18-20, (2014/03/21)

The invention relates to a process for the manufacture of diastereomerically and enantiomerically enriched triazole compounds isavuconazole and ravuconazole, comprising a Reformatsky reaction between a ketone and a 2-halozincpropionate ester, followed by a resolution step, preferably an enzymatic resolution with an esterase enzyme.

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