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Check Digit Verification of cas no

The CAS Registry Mumber 52099-47-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,9 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52099-47:
(7*5)+(6*2)+(5*0)+(4*9)+(3*9)+(2*4)+(1*7)=125
125 % 10 = 5
So 52099-47-5 is a valid CAS Registry Number.

InChI:InChI=1/C13H11NS/c1-8-7-11-10-5-3-4-6-12(10)15-13(11)9(2)14-8/h3-7H,1-2H3

52099-47-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	1,3-dimethylbenzo[b]thieno[2,3-c]pyridine

1.2 Other means of identification

Product number	-
Other names	1,3-dimethyl-benzo[4,5]thieno[2,3-c]pyridine

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:52099-47-5 SDS

52099-47-5Upstream product

1131-08-4 3-benzothienylacetone

52099-47-5Downstream Products

52099-47-5Relevant academic research and scientific papers

SYNTHESIS AND REACTIONS OF BENZOTHIENOPYRYLIUM PAIRS

Dulenko, V. I.,Tolkunov, S. V.,Alekseev, N. N.

, p. 1010 - 1013 (1981)

Benzothienopyrylium perchlorates were obtained in high yields in the acylation of benzothien-3-ylacetone with aliphatic acid anhydrides in the presence of 70percent perchloric acid.Treatment of the products with ammonia converts them to benzothienopyridines (in yields higher than 90percent), whereas hydroxy and dialkylamino derivatives of dibenzothiophene were obtained in up to 50percent yields by treatment of the products with alkalis or secondary amines, respectively.

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