1,2,3,4-tetrahydroxy-1β,2α,3α,4β,4aβ,9α,9aβ,10α-hexahydro-9,10<1',2'>benzenoanthracene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 125459-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,4,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 125459-20: (8*1)+(7*2)+(6*5)+(5*4)+(4*5)+(3*9)+(2*2)+(1*0)=123 123 % 10 = 3 So 125459-20-3 is a valid CAS Registry Number.