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1267854-62-5

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1267854-62-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1267854-62-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,7,8,5 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1267854-62:
(9*1)+(8*2)+(7*6)+(6*7)+(5*8)+(4*5)+(3*4)+(2*6)+(1*2)=195
195 % 10 = 5
So 1267854-62-5 is a valid CAS Registry Number.

1267854-62-5Relevant articles and documents

METHOD FOR PRODUCING AMINO-HYDROXYPYRIDINE COMPOUND

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Paragraph 0099, (2017/06/19)

PROBLEM TO BE SOLVED: To provide a method for producing an amino-hydroxypyridinium salt and an amino-hydroxypyridine compound with good yield and without using explosive hydroxylamine. SOLUTION: Provided is a method for producing an amino-hydroxypyridinium salt and an amino-hydroxypyridine compound via an aralkyloxy-pyridine compound represented by a formula (4). (In the formula, PG is a t-butoxycarbonyl group, a diphenylmethyl group, a triphenylmethyl group, a p-methoxyphenyl-diphenylmethyl group or a di(p-methoxyphenyl)phenylmethyl group, R1 is a hydrogen atom, an alkyl group or an alkoxy group, R2 represents a hydrogen atom, an alkyl group or an aryl group, and n is an integer of 1 or 2.) SELECTED DRAWING: None COPYRIGHT: (C)2017,JPOandINPIT

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