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Acetic acid (E)-(1R,2S,5S,7S,8S,10R,13S)-13-acetoxy-7,10-dihydroxy-8,12,15,15-tetramethyl-9-oxo-5-triethylsilanyloxy-tricyclo[9.3.1.14,8]hexadeca-3,11-dien-2-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

204259-92-7

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204259-92-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 204259-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,2,5 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 204259-92:
(8*2)+(7*0)+(6*4)+(5*2)+(4*5)+(3*9)+(2*9)+(1*2)=117
117 % 10 = 7
So 204259-92-7 is a valid CAS Registry Number.

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