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253592-82-4

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253592-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253592-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,5,9 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 253592-82:
(8*2)+(7*5)+(6*3)+(5*5)+(4*9)+(3*2)+(2*8)+(1*2)=154
154 % 10 = 4
So 253592-82-4 is a valid CAS Registry Number.

253592-82-4Upstream product

253592-82-4Relevant academic research and scientific papers

Rapid [3,3] sigmatropic rearrangements of allylic thiono chloroformates

Zaim, Oemer

, p. 8059 - 8062 (1999)

Treatment of allylic alcohols with thiophosgene and pyridine gives thiolo chloroformates directly at room temperature, presumably via very rapid [3,3] sigmatropic rearrangements of thiono chloroformates. Synthesis of allyl thiono chloroformate from allyl alcohol, sodium hydride and thiophosgene at low temperature and warming up to room temperature supports this finding.

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