128813-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128813-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,1 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128813-44:
(8*1)+(7*2)+(6*8)+(5*8)+(4*1)+(3*3)+(2*4)+(1*4)=135
135 % 10 = 5
So 128813-44-5 is a valid CAS Registry Number.
128813-44-5Relevant articles and documents
SYNTHESIS OF SPIROETHERS USING RADICAL CYCLISATIONS
Middleton, Donald S.,Simpkins, Nigel S.,Begley, Michael J.,Terrett, Nicholas K.
, p. 545 - 564 (2007/10/02)
A variety of spiroether products, including one bis-spiro compound, are avaible via a simple radical cyclisation route.
