(2S,3R)-2-Isobutyl-3-[(S)-1-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-ethyl]-oxirane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 91157-07-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively. Calculate Digit Verification of CAS Registry Number 91157-07: (7*9)+(6*1)+(5*1)+(4*5)+(3*7)+(2*0)+(1*7)=122 122 % 10 = 2 So 91157-07-2 is a valid CAS Registry Number.
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