rac-(3aR*,7S*,7aR*)-1-tert-Butyloxycarbonyl-1,2,3,3a,5,6,7,7a-octahydro-7-hydroxypyrano<3,2-b>pyrrol-5-on is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87125-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,2 and 5 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 87125-57: (7*8)+(6*7)+(5*1)+(4*2)+(3*5)+(2*5)+(1*7)=143 143 % 10 = 3 So 87125-57-3 is a valid CAS Registry Number.