Cas 1393818-77-3,C26H24NO3PS

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Check Digit Verification of cas no

The CAS Registry Mumber 1393818-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,8,1 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1393818-77:
(9*1)+(8*3)+(7*9)+(6*3)+(5*8)+(4*1)+(3*8)+(2*7)+(1*7)=203
203 % 10 = 3
So 1393818-77-3 is a valid CAS Registry Number.

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1393818-77-3Relevant academic research and scientific papers

Synthesis of air-stable zwitterionic 2-phosphiniminium-arenesulfonates

Burns, Christopher T.,Shang, Suisheng,Thapa, Rajesh,Mashuta, Mark S.

, p. 4832 - 4835 (2012/09/25)

Efficient synthetic methodology for preparation of 2-phosphiniminium-5- methylbenzenesulfonate zwitterions is reported. Staudinger reaction between phosphines and n-propyl 2-azido-5-methylbenzenesulfonates followed by sulfonate ester deprotection using py

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