81408-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81408-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81408-40:
(7*8)+(6*1)+(5*4)+(4*0)+(3*8)+(2*4)+(1*0)=114
114 % 10 = 4
So 81408-40-4 is a valid CAS Registry Number.
81408-40-4Relevant articles and documents
ZnBr2-MEDIATED HIGHLY DIASTEREOSELECTIVE ADDITION OF GRIGNARD REAGENTS TO α-BENZYLOXY ALDEHYDES
Asami, Masatoshi,Kimura, Rieko
, p. 1221 - 1222 (2007/10/02)
α-Benzyloxy aldehydes reacted with Grignard reagents in the presence of ZnBr2 to afford vicinal syn-diol derivatives with high diastereoselectivity.
