(3R,3aR,4S,7S,7aS)-7a-Benzoyl-3-benzyloxymethyl-7-[(E)-3-(tert-butyl-dimethyl-silanyloxy)-propenyl]-4-methyl-5-trimethylsilanylmethyl-2,3,3a,4,7,7a-hexahydro-isoindol-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 107640-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 107640-77: (8*1)+(7*0)+(6*7)+(5*6)+(4*4)+(3*0)+(2*7)+(1*7)=117 117 % 10 = 7 So 107640-77-7 is a valid CAS Registry Number.
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