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3-Amino-7,7-dimethyl-7,8-dihydro-5H-1,6-dithia-9-aza-cyclopenta[b]naphthalene-2-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

200959-67-7

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200959-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200959-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,9,5 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 200959-67:
(8*2)+(7*0)+(6*0)+(5*9)+(4*5)+(3*9)+(2*6)+(1*7)=127
127 % 10 = 7
So 200959-67-7 is a valid CAS Registry Number.

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