(4aS,5S,8S,8aS)-(+)-3,4,4a,5,6,7,8,8a-octahydro-5-(2-hydroxyethyl)-6-methenyl-5,8a-dimethyl-8-trimethylsilylnaphthalen-1(2H)-one 1-(ethylene acetal) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 199525-11-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,2 and 5 respectively; the second part has 2 digits, 1 and 1 respectively. Calculate Digit Verification of CAS Registry Number 199525-11: (8*1)+(7*9)+(6*9)+(5*5)+(4*2)+(3*5)+(2*1)+(1*1)=176 176 % 10 = 6 So 199525-11-6 is a valid CAS Registry Number.
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