.beta.-Cyclodextrin, 2-hydroxy-3-(trimethylammonio)propyl ethers, chlorides is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 156228-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,2 and 8 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 156228-03: (8*1)+(7*5)+(6*6)+(5*2)+(4*2)+(3*8)+(2*0)+(1*3)=124 124 % 10 = 4 So 156228-03-4 is a valid CAS Registry Number.
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