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1245499-19-7

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1245499-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1245499-19-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,4,9 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1245499-19:
(9*1)+(8*2)+(7*4)+(6*5)+(5*4)+(4*9)+(3*9)+(2*1)+(1*9)=177
177 % 10 = 7
So 1245499-19-7 is a valid CAS Registry Number.

1245499-19-7Downstream Products

1245499-19-7Relevant articles and documents

Molecular gyroscope having a halogen-substituted p-phenylene rotator and silaalkane chain stators

Setaka, Wataru,Ohmizu, Soichiro,Kira, Mitsuo

, p. 468 - 469 (2010)

2,3-Halophenylene-bridged polysilaalkane macrocages lb and Ic were synthesized as novel molecular gyroscopes. X-ray crystallographic data showed that the structures of the macrocages were deformed to avoid contact between the halogens and the silaalkane cage. The 2,3-dichlorophenylene derivative 1c shows restricted rotation of the phenylene in solution as observed by variable temperature 1HNMR spectroscopy.

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