19848-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19848-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,4 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19848-18:
(7*1)+(6*9)+(5*8)+(4*4)+(3*8)+(2*1)+(1*8)=151
151 % 10 = 1
So 19848-18-1 is a valid CAS Registry Number.
19848-18-1Relevant articles and documents
On the highly stereoselective addition of lithio-acetylides to α-hydroxy-ketones
Dunford, Damian,Guyader, Mathilde,Jones, Simon,Knight, David W.,Hursthouse, Michael B.,Coles, Simon J.
, p. 2240 - 2242 (2008)
Addition of 2 equiv of a lithio-acetylide to an unprotected α-hydroxy ketone is extremely stereoselective in examples where the two ketone substituents are relatively large.
