104220-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104220-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,2,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 104220-75:
(8*1)+(7*0)+(6*4)+(5*2)+(4*2)+(3*0)+(2*7)+(1*5)=69
69 % 10 = 9
So 104220-75-9 is a valid CAS Registry Number.
104220-75-9Relevant articles and documents
A SIMPLE ENANTIOCOMPLEMENTARY ROUTE TO PROSTANOIDS; INVERSION OF CHIRALITY OF 2,5-DIHYDROXY-CYCLOPENT-3-ENYL-ACETIC ACID LACTONE DERIVATIVES
Toemoeskoezi, I.,Gruber, L.,Gulacsi, E.
, p. 3141 - 3144 (2007/10/02)
An enantiocomplementary route to PGA2 and PGE2 synthons is presented.