94665-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94665-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,6,6 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 94665-98:
(7*9)+(6*4)+(5*6)+(4*6)+(3*5)+(2*9)+(1*8)=182
182 % 10 = 2
So 94665-98-2 is a valid CAS Registry Number.
94665-98-2Relevant articles and documents
SYNTHESIS OF PYRYLIUM SALTS FROM TRISUBSTITUTED 1,4-PENTADIYN-3-OLS WITH HClO4
Nakatsuji, Shin'ichi,Nakashima, Kenichiro,Yamamura, Kimiaki,Akiyama, Shuzo
, p. 5143 - 5146 (1984)
The synthesis of 2,4,6-trisubstituted pyrylium salts from 1,3,5-trisubstituted 1,4-pentadiyn-3-ols with HClO4 is reported for the first time.