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17986-09-3

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17986-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17986-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,8 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17986-09:
(7*1)+(6*7)+(5*9)+(4*8)+(3*6)+(2*0)+(1*9)=153
153 % 10 = 3
So 17986-09-3 is a valid CAS Registry Number.

17986-09-3Downstream Products

17986-09-3Relevant articles and documents

Synthesis of stabilized diaminophosphonium diazaylides

Cristau,Taillefer,Jouanin

, p. 69 - 74 (2007/10/03)

The first examples of metalated stabilized diaminophosphonium diazaylides 7 have been synthesized in good yields from acylazides by two different synthetic pathways involving either an original and direct Staudinger reaction with the sodium phosphide (diazaylides 7′) or a more classical Staudinger reaction with diphenylphosphine and a subsequent deprotonation (diazaylides 7″). Additionally, the related new diaminophosphonium monoazaylides 6 and diaminophosphonium salts 5 have also been synthesized.

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