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343975-42-8

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343975-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 343975-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,9,7 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 343975-42:
(8*3)+(7*4)+(6*3)+(5*9)+(4*7)+(3*5)+(2*4)+(1*2)=168
168 % 10 = 8
So 343975-42-8 is a valid CAS Registry Number.

343975-42-8Relevant articles and documents

Antitumor benzothiazoles. 14. Synthesis and in vitro biological properties of fluorinated 2-(4-aminophenyl)benzothiazoles

Hutchinson,Chua,Browne,Trapani,Bradshaw,Westwell,Stevens

, p. 1446 - 1455 (2007/10/03)

Synthetic routes to a series of mono- and difluorinated 2-(4-amino-3-substituted-phenyl)benzothiazoles have been devised. Whereas mixtures of regioisomeric 5- and 7-fluorobenzothiazoles were formed from the established Jacobsen cyclization of precursor 3-

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