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(7E,9E)-(1R,5R,12R,14R,15S,19S)-14-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-19-methoxy-5,12,17,17-tetramethyl-4,16,18-trioxa-bicyclo[13.3.1]nonadeca-7,9-diene-3,11-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77234-54-9

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77234-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77234-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,3 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77234-54:
(7*7)+(6*7)+(5*2)+(4*3)+(3*4)+(2*5)+(1*4)=139
139 % 10 = 9
So 77234-54-9 is a valid CAS Registry Number.

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