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1632142-45-0

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1632142-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1632142-45-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,2,1,4 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1632142-45:
(9*1)+(8*6)+(7*3)+(6*2)+(5*1)+(4*4)+(3*2)+(2*4)+(1*5)=130
130 % 10 = 0
So 1632142-45-0 is a valid CAS Registry Number.

1632142-45-0Relevant articles and documents

Novel bis(hydroxyphenyl)benzoxazole compound

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Paragraph 0028, (2017/03/17)

Provided is a novel bis(hydroxyphenyl)benzoxazole compound useful as resin raw material of epoxy resin or polybenzoxazole resin, or an intermediate or raw material of medicine, agromedicine, dye and electronic material. The solution is providing a bis(hydroxyphenyl)benzoxazole compound represented by the following formula (1) wherein, R1 represents an alkyl group having a carbon number of 1~8, an alkoxyl group having a carbon number of 1~8, a phenyl group or a halogen atom, R2 represents a hydrogen atom, an alkyl group having a carbon number of 1~8, an alkoxyl group having a carbon number of 1~8, a phenyl group or a halogen atom, A represents a cycloalkylidene group having a carbon number of 5~10, n represents 0 or an integer of 1~4.

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