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27369-33-1

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27369-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27369-33-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,3,6 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27369-33:
(7*2)+(6*7)+(5*3)+(4*6)+(3*9)+(2*3)+(1*3)=131
131 % 10 = 1
So 27369-33-1 is a valid CAS Registry Number.

27369-33-1Relevant articles and documents

Orthoamides, XLIII. - Nucleophilic Carbenes from 3-Alkyl-1,3,4-thiadiazolium Salts

Haug, Erwin,Kantlehner, Willi,Hagen, Helmut,Speh, Peter,Braeuner, Hans-Juergen

, p. 605 - 608 (2007/10/02)

1,3,4-Thiadiazole reacts with alkylating reagents to form 3-alkyl-1,3,4-thiadiazolium salts 1.Deprotonation of the salts 1 affords nucleophilic carbenes 3, which can be trapped with aromatic isocyanates, yielding the spirocyclic compounds 5 - 7.

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