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40845-81-6

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40845-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40845-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,8,4 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40845-81:
(7*4)+(6*0)+(5*8)+(4*4)+(3*5)+(2*8)+(1*1)=116
116 % 10 = 6
So 40845-81-6 is a valid CAS Registry Number.

40845-81-6Relevant articles and documents

RING-CHAIN TAUTOMERISM OF 3-ALKYLTHIO-1,5-DIHYDRO-1,2,4-TRIAZOLIUM SALTS

Zelenin, K.N.,Kuznetsova, O.B.,Alekseev, V.V.,Sergutina, V.P.,Terent'ev, P.V.,Ovcharenko, V.V.

, p. 1223 - 1227 (2007/10/02)

Ring-chain tautomerism in S-alkylisothiosemicarbazonium salts was detected for the first time by PMR and 13C NMR spectroscopy.It was shown that substitution at the nitrogen atoms stabilizes the cyclic 1,5-dihydro-1,2,4-triazolium form.The data from mass s

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