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1,2,6b,9,10,10a-hexahydro-7H-3-thia-8,10b-diaza-fluoranthene-8-carboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

693216-19-2

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693216-19-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 693216-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,2,1 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 693216-19:
(8*6)+(7*9)+(6*3)+(5*2)+(4*1)+(3*6)+(2*1)+(1*9)=172
172 % 10 = 2
So 693216-19-2 is a valid CAS Registry Number.

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