169901-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169901-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,9,0 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 169901-59:
(8*1)+(7*6)+(6*9)+(5*9)+(4*0)+(3*1)+(2*5)+(1*9)=171
171 % 10 = 1
So 169901-59-1 is a valid CAS Registry Number.
169901-59-1Relevant articles and documents
AN INVESTIGATION OF PATHWAYS TO THE SYNTHESIS OF 2β,3β,5β-TRI-HYDROXY-6-KETOSTEROIDS
Kovganko, N. V.,Kashkan, Zh. N.
, p. 637 - 641 (1993)
Using β-sitosterol as an example, an investigation has been made of the introduction into 3β-hydroxy-Δ5-sterols of the 2β,3β,5β-trihydroxy-6-keto grouping that is characteristic for some phytoecdysteroids.
