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21686-93-1

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21686-93-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21686-93-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,8 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 21686-93:
(7*2)+(6*1)+(5*6)+(4*8)+(3*6)+(2*9)+(1*3)=121
121 % 10 = 1
So 21686-93-1 is a valid CAS Registry Number.

21686-93-1Downstream Products

21686-93-1Relevant articles and documents

Lewis adducts of the Fe(CO)42- and Co(CO)4- ions

Ruff

, p. 1499 - 1503 (2008/10/08)

The metal carbonyl anions Fe(CO)42- and Co(CO)4- form adducts with indium tribromide or gallium tribromide of the type M(CO)4M′Br3n-. The complex ion Fe(CO)4InBr32- dissociates in solution to give a new ion Fe(CO)4InBr2-. This new ion will form adducts with amines and the preparation of the ions Fe(CO)4InBr2·(C2H5) 3N- and Fe(CO)4InBr2·C5H5N - is also described.

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