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5-{(2S,3aR,4R,5S,6S,6aR)-5-(tert-Butyl-dimethyl-silanyloxy)-4-[(E)-3-(tert-butyl-dimethyl-silanyloxy)-oct-1-enyl]-6-iodo-hexahydro-cyclopenta[b]furan-2-yl}-pentan-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77973-09-2

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77973-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77973-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77973-09:
(7*7)+(6*7)+(5*9)+(4*7)+(3*3)+(2*0)+(1*9)=182
182 % 10 = 2
So 77973-09-2 is a valid CAS Registry Number.

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