141973-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141973-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,7 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 141973-63:
(8*1)+(7*4)+(6*1)+(5*9)+(4*7)+(3*3)+(2*6)+(1*3)=139
139 % 10 = 9
So 141973-63-9 is a valid CAS Registry Number.
141973-63-9Relevant articles and documents
The reaction of 1,3-dilithio-1,3-bis(trimethylsilyl)allene with halogenphosphanes, allenylphosphanes, alkinyl-λ3-phosphaalkenes and λ3-phosphabutatrienes
Markl,Pflaum,Maack
, p. 1981 - 1984 (2007/10/02)
The reaction of 1,3-dilithio-1,3-bis(trimethylsilyl)-allene and 1-lithio-1,3-bis(trimethylsilyl)-allene with 2,4,6-tris-tert-butyldichlorophosphine yields the title compounds.