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67711-52-8

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67711-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67711-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,1 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67711-52:
(7*6)+(6*7)+(5*7)+(4*1)+(3*1)+(2*5)+(1*2)=138
138 % 10 = 8
So 67711-52-8 is a valid CAS Registry Number.

67711-52-8Relevant articles and documents

A CONVENIENT SYNTHESIS OF PHOSPHORUS AND SULFONYL-SUBSTITUTED N-IMIDAZOLES (TRIAZOLES) USING THE CORRESPONDING ACID CHLORIDES AND N-TRIMETHYLSILYL IMIDAZOLES (TRIAZOLES)

Dabkowski, W.,Michalski, J.,Skrzypczynski, Z.

, p. 321 - 326 (2007/10/02)

The synthetic route phosphorus and sulfonyl-substituted N-imidazoles (triazoles) has been elaborated based on the method proposed by Birkofer et al.The appropriate compounds are obtained in high yield and of analytical purity by the action of N-trimethylsilyl imidazole (triazole) on the corresponding acid chlorides.

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