(5aR,8R,9R,9aS)-6-Allyl-6-(ethylthio)-8-(hydroxylmethyl)-2,2,4,4-tetraisopropyltetrahydro-6H-pyrano[3,4-f][1,3,5,2,4]trioxadisilepin-9-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 784157-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,4,1,5 and 7 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 784157-63: (8*7)+(7*8)+(6*4)+(5*1)+(4*5)+(3*7)+(2*6)+(1*3)=197 197 % 10 = 7 So 784157-63-7 is a valid CAS Registry Number.
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