27502-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27502-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,5,0 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 27502-52:
(7*2)+(6*7)+(5*5)+(4*0)+(3*2)+(2*5)+(1*2)=99
99 % 10 = 9
So 27502-52-9 is a valid CAS Registry Number.
27502-52-9Relevant articles and documents
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Issleib,Walther
, p. 375 - 386 (2007/10/05)
Phosphinous acid esters of the type (R2PO)nER′4-n (E = Si, Ge, Sn) are prepared by three different methods: 1. reaction of the alkali-phosphinites with R′3ECl, 2. reaction of the sec-phosphine oxides with organo
