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159850-92-7

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159850-92-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159850-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,8,5 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 159850-92:
(8*1)+(7*5)+(6*9)+(5*8)+(4*5)+(3*0)+(2*9)+(1*2)=177
177 % 10 = 7
So 159850-92-7 is a valid CAS Registry Number.

159850-92-7Downstream Products

159850-92-7Relevant articles and documents

Generation and Chemical Reactions of Quinoxalino-o-quinodimethane

Chou, Ta-shue,Ko, Chung-Wen

, p. 10721 - 10726 (1994)

We have prepared the unsubstituted quinoxalino-3-sulfolene 7 via two convenient routes and discovered its unusual stability toward thermal extrusion of SO2.The generation of the o-quinodimethane 14 from 7 was achieved at temperatures higher than 290 deg C.

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