(2R,3R,3aS,9aR)-5,5,7,7-Tetraisopropyl-2-(6-methyl-purin-9-yl)-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-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 215372-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,3,7 and 2 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 215372-42: (8*2)+(7*1)+(6*5)+(5*3)+(4*7)+(3*2)+(2*4)+(1*2)=112 112 % 10 = 2 So 215372-42-2 is a valid CAS Registry Number.
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