(6aR,8R,9S,9aR)-tert-butyl 9-hydroxy-2,2,4,4-tetraisopropyl-8-(2-(methylamino)-2-oxoethyl)tetrahydro-[ 1,3,5,2,4]trioxadisilocino [7,6-b]pyrrole-7(8H)-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 1567688-20-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,7,6,8 and 8 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 1567688-20: (9*1)+(8*5)+(7*6)+(6*7)+(5*6)+(4*8)+(3*8)+(2*2)+(1*0)=223 223 % 10 = 3 So 1567688-20-3 is a valid CAS Registry Number.
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