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186187-33-7

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186187-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186187-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,1,8 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 186187-33:
(8*1)+(7*8)+(6*6)+(5*1)+(4*8)+(3*7)+(2*3)+(1*3)=167
167 % 10 = 7
So 186187-33-7 is a valid CAS Registry Number.

186187-33-7Relevant articles and documents

A new and efficient synthesis of α-amino cycloalkylphosphonic acids via electrophilic azidation of cycloalkylphosphonates

Gueguen, Catherine,About-Jaudet, Elie,Collignon, Noel,Savignac, Philippe

, p. 4131 - 4143 (1996)

α-Amino cyclobutyl-, cyclopentyl- and cyclohexylphosphonic acids (13) were efficiently prepared from the related unsubstituted cycloalkylphosphonates (5), in three steps including electrophilic azidation of the corresponding lithiated carbanions, catalyti

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