1259475-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1259475-46-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,4,7 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1259475-46:
(9*1)+(8*2)+(7*5)+(6*9)+(5*4)+(4*7)+(3*5)+(2*4)+(1*6)=191
191 % 10 = 1
So 1259475-46-1 is a valid CAS Registry Number.
1259475-46-1Relevant articles and documents
Features of the reaction of 4-bromobut-2-enylphosphonium salts with monosubstituted hydrazines
Ovakimyan,Gasparyan,Grigoryan,Bichakhchyan
, p. 496 - 500 (2014/05/20)
(4-Bromobut-2-en-1-yl)triphenylphosphonium bromide reacted with phenylhydrazine at 2°C in the presence of sodium carbonate to form triphenyl[4-(2-phenylhydrazinylidene)but-2-en-1-yl]phosphonium bromide in 62% yield. The obtained N-phenylhydrazine derivati