(1R,2R,3S,4S,5R)-1-O-Acetyl-2,3:4,5-di-O-isopropylidene-5-methoxycarbonyl-cyclohexan-1,2,3,4,5-pentaol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 135802-14-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,8,0 and 2 respectively; the second part has 2 digits, 1 and 4 respectively. Calculate Digit Verification of CAS Registry Number 135802-14: (8*1)+(7*3)+(6*5)+(5*8)+(4*0)+(3*2)+(2*1)+(1*4)=111 111 % 10 = 1 So 135802-14-1 is a valid CAS Registry Number.