(2S,3R)-2-((3aR,5R,6R,6aR)-2,2,6-Trimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-pentane-2,3-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87641-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,4 and 1 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 87641-39: (7*8)+(6*7)+(5*6)+(4*4)+(3*1)+(2*3)+(1*9)=162 162 % 10 = 2 So 87641-39-2 is a valid CAS Registry Number.