(3S,5R,6S,3'R)-7',8'-didehydro-5,6-dihydro-β,β-carotene-3,5,6,3'-tetrol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 64023-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,0,2 and 3 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 64023-28: (7*6)+(6*4)+(5*0)+(4*2)+(3*3)+(2*2)+(1*8)=95 95 % 10 = 5 So 64023-28-5 is a valid CAS Registry Number.