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1266673-99-7

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1266673-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1266673-99-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,6,7 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1266673-99:
(9*1)+(8*2)+(7*6)+(6*6)+(5*6)+(4*7)+(3*3)+(2*9)+(1*9)=197
197 % 10 = 7
So 1266673-99-7 is a valid CAS Registry Number.

1266673-99-7Upstream product

1266673-99-7Relevant articles and documents

Processes for the preparation of 2,3-dihydrothiepine derivatives

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, (2008/06/13)

A process for preparing a compound represented by the following formula: wherein each symbol is as defined below, or a salt thereof, characterized by subjecting a compound represented by the following formula: wherein R1 is an electron-attracting group; R2, R3, R4, R5, R6 and R7 are each a hydrogen atom, a halogen atom, an optionally substituted amino group, an optionally substituted hydroxyl group, an optionally substituted thiol group, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group, provided that R6 and R7 may be united to form a ring; and R8 is a hydrogen atom or an optionally substituted hydrocarbon group, or a salt thereof, to a ring-closing reaction.

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