(E)-(2R,3S,4S,5R,6S,7R,10S)-2,7-bis{[tert-butyl(dimethyl)silyl]oxy}-3-methoxy-4,6,8,10-tetramethyl-11-oxo-5-[(triethylsilyl)oxy]dodec-8-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 857846-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,8,4 and 6 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 857846-99: (8*8)+(7*5)+(6*7)+(5*8)+(4*4)+(3*6)+(2*9)+(1*9)=242 242 % 10 = 2 So 857846-99-2 is a valid CAS Registry Number.
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