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54560-77-9

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54560-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54560-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,6 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54560-77:
(7*5)+(6*4)+(5*5)+(4*6)+(3*0)+(2*7)+(1*7)=129
129 % 10 = 9
So 54560-77-9 is a valid CAS Registry Number.

54560-77-9Relevant articles and documents

Insight into the mechanism of 3,3′-dimethyl-4,4′-diaminodiphenylmethane synthesis over Hβ zeolite

Yang, Yingkuo,Zhao, Yingxian,Shao, Jianhua,Zhang, Shengjian,Yang, Rongqiang

, p. 95 - 106 (2015)

Heterogeneous synthesis of 3,3′-dimethyl-4,4′-diaminodiphenylmethane (MDT) from o-tolylamine and formaldehyde on acidic zeolites HY, HZSM-5, Hβ and TS-1 was investigated. Hβ zeolite with strong Bronsted acidity and proper textural property demonstrated be

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