71189-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71189-82-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,8 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71189-82:
(7*7)+(6*1)+(5*1)+(4*8)+(3*9)+(2*8)+(1*2)=137
137 % 10 = 7
So 71189-82-7 is a valid CAS Registry Number.
71189-82-7Relevant academic research and scientific papers
SYNTHESIS WITH α-HETEROSUBSTITUTED PHOSPHONATE CARBANIONS. XVII. PREPARATION OF DIACYLATED AROMATICS
Zimmer, Hans,Servay, Thomas K.
, p. 201 - 204 (2007/10/02)
Dianions derived from tetraphenyl arylene-bis--bis-phsphonates react with aromatic and heteroaromatic aldehydes to yield bis-acylated aromatics. Key words: α-Heterosubstituted phosphonate carbanions; diacylated heteroaromatics;
