(1R,4S,4aR,5R,6S,7S,8aS)-5-trihydroxy-6,7-O-isopropylidenedioxy-1,4,4a,5,6,7,8,8a-octahydro-endo-1,4-methanonaphthalen-8-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 313547-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,4 and 7 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 313547-99: (8*3)+(7*1)+(6*3)+(5*5)+(4*4)+(3*7)+(2*9)+(1*9)=138 138 % 10 = 8 So 313547-99-8 is a valid CAS Registry Number.
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