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1198565-46-6

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1198565-46-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1198565-46-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,5,6 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1198565-46:
(9*1)+(8*1)+(7*9)+(6*8)+(5*5)+(4*6)+(3*5)+(2*4)+(1*6)=206
206 % 10 = 6
So 1198565-46-6 is a valid CAS Registry Number.

1198565-46-6Relevant articles and documents

Regioselective synthesis of poly-substituted thiophenes from Baylis-Hillman adducts

Lee, Hyun Seung,Kim, Se Hee,Kim, Jae Nyoung

scheme or table, p. 6480 - 6483 (2011/02/21)

The reaction of Baylis-Hillman acetates and ethyl mercaptoacetat e in the presence of DBU in DMF produced 2,3,4-trisubstituted tetrahydrothiophenes at room temperature as a diastereomeric mixture via the sequential SN2' and Michael addition. Aromatization of tetrahydrothiophenes by DDQ oxidation produced 2,3,4-trisubstituted thiophenes in good yields.

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