(2R,3R,4E,6S,7R,8E)-3-<(tert-Butyldimethylsilyl)oxy>-N,7-dimethoxy-9-phenyl-N,2,4,6-tetramethyl-4,8-nonadienamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 138694-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,9 and 4 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 138694-23: (8*1)+(7*3)+(6*8)+(5*6)+(4*9)+(3*4)+(2*2)+(1*3)=162 162 % 10 = 2 So 138694-23-2 is a valid CAS Registry Number.