1636-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1636-71-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1636-71:
(6*1)+(5*6)+(4*3)+(3*6)+(2*7)+(1*1)=81
81 % 10 = 1
So 1636-71-1 is a valid CAS Registry Number.
1636-71-1Relevant articles and documents
Monoacylaminals by the benzotriazole-assisted aminoalkylation of amides
Katritzky, Alan R.,Fali, Clara N.,Bao, Weiliang,Qi, Ming
, p. 1421 - 1423 (1998)
A general synthesis of a range of monoacylaminals from the reaction of N-(α-aminoalkyl)benzotriazoles with amides in the presence of a base has been developed. In less reactive cases zinc bromide was used to facilitate the above reaction.
