(4Z,7S,8E,12E,14E,16R,17S,19Z)-methyl 7,16,17-trihydroxydocosa-4,8,12,14,19-pentaen-10-ynoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 810668-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,0,6,6 and 8 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 810668-52: (8*8)+(7*1)+(6*0)+(5*6)+(4*6)+(3*8)+(2*5)+(1*2)=161 161 % 10 = 1 So 810668-52-1 is a valid CAS Registry Number.