126939-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126939-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,3 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126939-89:
(8*1)+(7*2)+(6*6)+(5*9)+(4*3)+(3*9)+(2*8)+(1*9)=167
167 % 10 = 7
So 126939-89-7 is a valid CAS Registry Number.
126939-89-7Relevant articles and documents
An effective synthesis of α-azido ketones from ketones
Lee,Kim,Shin
, p. 4271 - 4275 (2007/10/03)
One-pot transformation of ketones into α-azido ketones has been achieved by successive treatment with HNIB and NaN3 in acetonitrile.
