141883-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141883-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,8,8 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 141883-77:
(8*1)+(7*4)+(6*1)+(5*8)+(4*8)+(3*3)+(2*7)+(1*7)=144
144 % 10 = 4
So 141883-77-4 is a valid CAS Registry Number.
141883-77-4Relevant articles and documents
A photochemical entry to spirobenzofurans
Sumathi,Balasubramanian
, p. 2213 - 2216 (2007/10/02)
Synthesis of spirobenzofurans based on photochemical 'δ' hydrogen abstraction is reported.