161768-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161768-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,7,6 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161768-44:
(8*1)+(7*6)+(6*1)+(5*7)+(4*6)+(3*8)+(2*4)+(1*4)=151
151 % 10 = 1
So 161768-44-1 is a valid CAS Registry Number.
161768-44-1Relevant articles and documents
Efficient synthesis of 1,5-disubstituted tetrazoles
Katritzky, Alan R.,Cai, Chunming,Meher, Nabin K.
, p. 1204 - 1208 (2007)
A general method for the synthesis of 1,5-disubstituted tetrazoles from imidoylbenzotriazoles that involves mild reaction conditions and short reaction times. Georg Thieme Verlag Stuttgart.
