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1201851-45-7

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1201851-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1201851-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,8,5 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1201851-45:
(9*1)+(8*2)+(7*0)+(6*1)+(5*8)+(4*5)+(3*1)+(2*4)+(1*5)=107
107 % 10 = 7
So 1201851-45-7 is a valid CAS Registry Number.

1201851-45-7Downstream Products

1201851-45-7Relevant articles and documents

Novel spiro and fused heterocycles from the allylation of indigo

Abdel-Hamid, Mohammed K.,Bremner, John B.,Coates, Jonathan,Keller, Paul A.,Mil?nder, Celia,Torkamani, Yasmine S.,Skelton, Brian W.,White, Allan H.,Willis, Anthony C.

supporting information; experimental part, p. 6947 - 6950 (2010/02/27)

The allylation of indigo results in the one-step synthesis of two unique complex heterocyclic systems: a spiroindoline-pyridoindolone arising from the addition of three allyl moieties and a fused pyridoindolo-azepinoindolone generated from the addition and subsequent cyclisation of two allyl moieties. The structures of these novel heterocycles are assigned unambiguously using extensive NMR experiments and by X-ray crystallographic analysis. The distribution of the products is influenced by the use of thermal versus microwave heating. Crown Copyright

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