(2S,3R,4R)-2-((4R,5R)-2,2,5-Trimethyl-[1,3]dioxan-4-yl)-4-((4S,5S)-2,2,5-trimethyl-[1,3]dioxan-4-yl)-pentan-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 139016-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively. Calculate Digit Verification of CAS Registry Number 139016-74: (8*1)+(7*3)+(6*9)+(5*0)+(4*1)+(3*6)+(2*7)+(1*4)=123 123 % 10 = 3 So 139016-74-3 is a valid CAS Registry Number.