Cas 1581308-31-7,C14H21ClN2O2S

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Check Digit Verification of cas no

The CAS Registry Mumber 1581308-31-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,3,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1581308-31:
(9*1)+(8*5)+(7*8)+(6*1)+(5*3)+(4*0)+(3*8)+(2*3)+(1*1)=157
157 % 10 = 7
So 1581308-31-7 is a valid CAS Registry Number.

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1581308-31-7Relevant articles and documents

Sulfonyl fluorides as alternative to sulfonyl chlorides in parallel synthesis of aliphatic sulfonamides

Bogolubsky, Andrey V.,Moroz, Yurii S.,Mykhailiuk, Pavel K.,Pipko, Sergey E.,Konovets, Anzhelika I.,Sadkova, Irina V.,Tolmachev, Andrey

, p. 192 - 197 (2014/05/06)

Two types of aliphatic sulfonyl halides (Cl versus F) were compared in parallel synthesis of sulfonamides derived from aliphatic amines. Aliphatic sulfonyl fluorides showed good results with amines bearing an additional functionality, while the correspond

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1581308-31-7