133546-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133546-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,4 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133546-18:
(8*1)+(7*3)+(6*3)+(5*5)+(4*4)+(3*6)+(2*1)+(1*8)=116
116 % 10 = 6
So 133546-18-6 is a valid CAS Registry Number.
133546-18-6Relevant articles and documents
Preparation of Nε-(3-hydroxy-16-oxoestra-1,3,5(10)-trien-17β-yl)-L-lysine, 16α-hydroxyesterone-lysine adduct, via Heyns rearrangement
Miyairi,Ichikawa,Nambara
, p. 1213 - 1214 (2007/10/02)
Preparation of a stable covalent adduct from 16α-hydroxyestrone with the ε-amino group of lysine via two step reactions involving Schiff base formation followed by Heyns rearrangement is described.
