1271271-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1271271-48-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,2,7 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1271271-48:
(9*1)+(8*2)+(7*7)+(6*1)+(5*2)+(4*7)+(3*1)+(2*4)+(1*8)=137
137 % 10 = 7
So 1271271-48-7 is a valid CAS Registry Number.
1271271-48-7Relevant articles and documents
A "click and activate" Approach in one-pot synthesis of a triazolyl-pyridazinone library
Qian, Wenyuan,Winternheimer, David,Allen, Jennifer
, p. 1682 - 1685 (2011)
A "click and activate" strategy was designed and executed in a four-component, stepwise condensation that led to a trisubstituted triazolyl-pyridazinone library. This one-pot process included regioselective azide substitution at 2-substituted-4,5-dichloro
