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27806-88-8

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27806-88-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27806-88-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,8,0 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 27806-88:
(7*2)+(6*7)+(5*8)+(4*0)+(3*6)+(2*8)+(1*8)=138
138 % 10 = 8
So 27806-88-8 is a valid CAS Registry Number.

27806-88-8Relevant articles and documents

A Versatile Synthesis of Novel N,N,N''-Trisubstituted Guanidines

Rasmussen, C. R.,Villani, F. J.,Reynolds, B. E.,Plampin, J. N.,Hood, A. R.,et al.

, p. 460 - 466 (2007/10/02)

N,N,N''-Trisubstituted guanidines (most of them N''-aryl-N-azacycloalkanecarboximidamides) are prepared in generally good yields by S-methylation of monosubstituted thioureas with methyl iodide in methanol or acetone and reaction of the resultant methyl c

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