77429-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77429-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,2 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77429-21:
(7*7)+(6*7)+(5*4)+(4*2)+(3*9)+(2*2)+(1*1)=151
151 % 10 = 1
So 77429-21-1 is a valid CAS Registry Number.
77429-21-1Relevant articles and documents
ALKYL N-(2,2-DICHLORO-1-ARYLETHYL)CARBAMATES AND THEIR DERIVATIVES
Bal'on, Ya. G.,Smirnov, V. A.
, p. 333 - 339 (2007/10/02)
The reduction of alkyl N-(2,2,2-trichloro-1-arylethyl)carbamates with aluminium amalgam in 90percent isopropyl alcohol gives alkyl N-(2,2-dichloro-1-arylethyl)carbamates.They react readily with phosphorus pentachloride to form 2,2-dichloro-1-arylethyl iso