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341978-82-3

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341978-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 341978-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,1,9,7 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 341978-82:
(8*3)+(7*4)+(6*1)+(5*9)+(4*7)+(3*8)+(2*8)+(1*2)=173
173 % 10 = 3
So 341978-82-3 is a valid CAS Registry Number.

341978-82-3Downstream Products

341978-82-3Relevant articles and documents

Preparation method of medicine intermediate 1 -tert-butoxycarbonyl -3 -azetidinone (by machine translation)

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Paragraph 0054-0058, (2020/07/15)

The invention relates to the technical field of organic chemistry, and concretely relates 1 - tert-butyloxycarbonyl -3 -azetidinone and a preparation method thereof. Wherein R1 Is C1 - C6 Alkyl groups and R2 And R3 Is H or C1 - C6 The alkyl group and the acid are organic acids or inorganic acids. The method is high in relative yield and high in industrial amplification production applicability. (by machine translation)

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