19903-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19903-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19903-70:
(7*1)+(6*9)+(5*9)+(4*0)+(3*3)+(2*7)+(1*0)=129
129 % 10 = 9
So 19903-70-9 is a valid CAS Registry Number.
19903-70-9Relevant articles and documents
A shortcut to α-Santalol
Schlosser, Manfred,Zhong, Guo-Fu
, p. 5441 - 5444 (1993)
α-Santalol (Z-3) can be prepared from the readily available 8-bromotricyclene in a one-flask procedure under perfect regio- and stereocontrol.
