88489-47-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88489-47-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,4,8 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 88489-47:
(7*8)+(6*8)+(5*4)+(4*8)+(3*9)+(2*4)+(1*7)=198
198 % 10 = 8
So 88489-47-8 is a valid CAS Registry Number.
88489-47-8Relevant articles and documents
Eight-Membered Heterocycles. 12H-Dibenzodioxaphosphocin and 12H-Dibenzodioxaborocin Derivatives
Pastor, Stephen D.,Spivack, John D.
, p. 1311 - 1313 (2007/10/02)
The synthesis of phosphonite and thiophosphite derivatives of the 12H-dibenzodioxaphosphocin ring system is described.The 1H nmr shows evidence for long-range coupling of the C-12 methine proton to phosphorus.The 1H nmr of the 12H-dibenzo