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740815-82-1

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740815-82-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 740815-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,1 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 740815-82:
(8*7)+(7*4)+(6*0)+(5*8)+(4*1)+(3*5)+(2*8)+(1*2)=161
161 % 10 = 1
So 740815-82-1 is a valid CAS Registry Number.

740815-82-1Relevant articles and documents

Preparation and properties of phosphaethynes bearing bulky aryl groups with electron-donating substituents at the para position

Toyota, Kozo,Kawasaki, Subaru,Yoshifuji, Masaaki

, p. 5065 - 5070 (2007/10/03)

Phosphaethynes bearing a 2,6-di-tert-butyl-4-(dimethylamino)phenyl, 2,6-di-tert-butyl-4-methoxyphenyl, or 2,6-di-tert-butylphenyl group were prepared. A 31P NMR spectroscopic investigation of the chemical shifts indicated that electron-donating

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