(2R,3S,4R,5S,6R)-2-ethynyl-6-(hydroxymethyl)tetrahydropyran-3,4,5-triol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 388578-39-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,8,5,7 and 8 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 388578-39: (8*3)+(7*8)+(6*8)+(5*5)+(4*7)+(3*8)+(2*3)+(1*9)=220 220 % 10 = 0 So 388578-39-0 is a valid CAS Registry Number.