4(R)-(tert-butyldimethylsiloxy)-6(R)-<2-<1,2,6,7,8,8a(S)-hexahydro-2(S),6(R)-dimethyl-8(S)-<<2(S)-methylbutyryl>oxy>-1(S)-naphthyl>ethyl>-2-<(tetrahydropyran-2-yl)oxy>-3,4,5,6-tetrahydro-2H-pyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 79691-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,9 and 1 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 79691-13: (7*7)+(6*9)+(5*6)+(4*9)+(3*1)+(2*1)+(1*3)=177 177 % 10 = 7 So 79691-13-7 is a valid CAS Registry Number.
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