156602-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156602-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,0 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156602-62:
(8*1)+(7*5)+(6*6)+(5*6)+(4*0)+(3*2)+(2*6)+(1*2)=129
129 % 10 = 9
So 156602-62-9 is a valid CAS Registry Number.
156602-62-9Relevant articles and documents
Benzotriazole-mediated synthesis of α-di- and α-trisubstituted ethers and sulfides
Katritzky,Jurczyk,Szajda,Shcherbakova,Lam
, p. 499 - 504 (2007/10/02)
Ethylaryl- and diethylaryl(benzotriazol-1-yl)methanes, obtained by mono- or dialkylation of substituted (benzotriazol-1-ylmethyl)benzenes, react with sodium alkoxides, phenol and thiophenol to yield the corresponding α-di- and α-trisubstituted ethers and