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149865-21-4

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149865-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149865-21-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,8,6 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 149865-21:
(8*1)+(7*4)+(6*9)+(5*8)+(4*6)+(3*5)+(2*2)+(1*1)=174
174 % 10 = 4
So 149865-21-4 is a valid CAS Registry Number.

149865-21-4Relevant articles and documents

Aryl 1,5-dithia-2,4,6,8-tetrazocines. A synthetic, electrochemical, and structural investigation

Boere, Rene T.,Moock, Klaus H.,Derrick, Sean,Hoogerdijk, William,Preuss, Kathryn,et al.

, p. 473 - 486 (2007/10/02)

New preparative routes to the title compounds are reported in which the yields are substantially improved over previous methods.In one method, reaction of O2 with a mixture of XC6H4CN2S2(+)*Cl(-) and Ph3Sb leads to the products in 40-60percent yield.In an

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