(2E,4E,8R,9R,11S,12S)-3-methyl-7,10-bis(methylene)-8,9,11,12-tetrakis[(triethylsilyl)oxy]pentadeca-2,4,14-trienoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 692734-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,2,7,3 and 4 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 692734-49: (8*6)+(7*9)+(6*2)+(5*7)+(4*3)+(3*4)+(2*4)+(1*9)=199 199 % 10 = 9 So 692734-49-9 is a valid CAS Registry Number.