38770-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38770-78-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,7,7 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 38770-78:
(7*3)+(6*8)+(5*7)+(4*7)+(3*0)+(2*7)+(1*8)=154
154 % 10 = 4
So 38770-78-4 is a valid CAS Registry Number.
38770-78-4Relevant articles and documents
142. Thermal rearrangements of halogen substituted aryl propargyl ethers
Sarcevic, Nada,Zsindely, Janos,Schmid, Hans
, p. 1457 - 1476 (1973)
7-Chloro-2-chloromethyl-benzofuran (13) and 3, 8-dichloro-2H-1-benzopyran (12) are the main products from the thermal rearrangement (230-260°) of 2, 6-dichlorophenyl propargyl ether (7). Compounds 17, 18 and 19 are also formed, but in much smaller amounts
