1177-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177-69-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,7 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1177-69:
(6*1)+(5*1)+(4*7)+(3*7)+(2*6)+(1*9)=81
81 % 10 = 1
So 1177-69-1 is a valid CAS Registry Number.
1177-69-1Relevant articles and documents
Photoalkylation of Pyrylium Salt with Group 14 Metal-Carbon ? Donors via Electron Transfer
Kyushin, Soichiro,Nakadaira, Yasuhiro,Ohashi, Mamoru
, p. 2191 - 2194 (2007/10/02)
Tetraalkylsilanes, -germanes, and -stannanes reacted with a pyrylium salt to yield alkylated pyrans via photo-induced electron transfer.