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2H-1-Benzothiopyran, 3,4-dihydro-4-methyl-2-phenyl-, cis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77988-91-1

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77988-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77988-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,8 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77988-91:
(7*7)+(6*7)+(5*9)+(4*8)+(3*8)+(2*9)+(1*1)=211
211 % 10 = 1
So 77988-91-1 is a valid CAS Registry Number.

77988-91-1Downstream Products

77988-91-1Relevant academic research and scientific papers

S-Substituted Thiacyclobutenium Salts

Bodwell, James R.,Patwardhan, Bhalchandra H.,Dittmer, Donald C.

, p. 4192 - 4196 (2007/10/02)

Treatment of 3-phenyl- or 3-(2-naphthyl)-2H-thietes with trimethyl- or triethyloxonium tetrafluoroborate or with methyl trifluoromethansulfonate yields colorless S-alkylthiacyclobutenium salts.They react with cyanide ion to give both ring opened and dealk

Synthesis of Heterocyclic Compounds : Part XXIV - Synthesis of 2,4-Disubstituted Thianaphthalenium Perchlorates and Thiachromans

Devdhar, R. S.,Gogte, V. N.,Tilak, B. D.

, p. 1014 - 1018 (2007/10/02)

Cyclodehydration of β-phenylmercaptopropyl phenyl ketone (V) and β-phenyl-β-phenylmercaptoethyl methyl ketone (VI) with 70percent perchloric acid gives a mixture of 2-methyl-4-phenylthianaphthalenium perchlorate (X), 4-methyl-2-phenylthianaphthalenium per

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