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4,6-Dihydrothieno<3,4-c>pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

145286-40-4

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145286-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145286-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,8 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 145286-40:
(8*1)+(7*4)+(6*5)+(5*2)+(4*8)+(3*6)+(2*4)+(1*0)=134
134 % 10 = 4
So 145286-40-4 is a valid CAS Registry Number.

145286-40-4Downstream Products

145286-40-4Relevant academic research and scientific papers

SYNTHESIS AND REACTIONS OF N-SUBSTITUTED PYRAZOLO-3-SULFOLENES

Chou, Ta-shue,Chang, Ruei-Chih

, p. 2839 - 2850 (1993)

N-Toluenesulfonyl- and N-(anilinocarbonyl)pyrazolo-3-sulfolenes have been prepared from the protected oxotetrahydrothiophenecarbaldehyde (7) via a sequence of hydrazone formation, ketal hydrolysis, cyclization, dehydration, and oxidation reactions.These N

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